The 365 Days of Astronomy
The 365 Days of Astronomy podcast, launched in 2009 for the International Year of Astronomy, offers daily episodes featuring a new voice each day to explore the universe. Managed by Avivah Yamani and edited by Richard Drumm, the show is funded through Patreon and produced by the Planetary Science Institute. It provides accessible astronomy content for a broad audience.
Episodes
The Cosmic Savannah Ep. 84: Celebrating 10 Years of IDIA
Hosted by Dr. Jacinta Delhaize, Dr. Tshiamiso Makwela, Dr. Daniel Cunnama & François Campher. In this special episode of The Cosmic Savannah, we celebrate the 10th anniversary of IDIA(Inter-University Institute for Data Intensive Astronomy) with three very special guests: the new director Professor Roger Deane, astronomy support specialist Walter Silima, and head of outreach and development Associ
EVSN - Black Holes, Giant Galaxies & A Baby Planet
From May 21, 2020. Hosted by Dr. Pamela L. Gay. Join us today as we discuss the impressive work by an undergraduate student who figured out how galaxy mergers influence the growth of supermassive black holes. We talk about a gigantic galaxy found in the early Universe. And finally, we look at amazing images of a planet being formed around a distant star. We've added a new way to donate to 365 Da
Actual Astronomy - Messier Objects For July 2026
Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan who enjoy teaching astronomy classes and showing the public views through their telescopes. actualastronomy@gmail.com Description: This month we talk about some of the globular clusters from the Messier catalogue you can easily see on summer nights. From big and bright M5 and M4 to small and mighty M80 we talk about vi
Guide To Space - Where Are All The Alien Robots? The Chilling Idea Of Von Neumann Probes
https://www.youtube.com/watch?v=vHMIv_zAbrM From Oct 6, 2016. Hosted by Fraser Cain. As you know, I'm obsessed about the Fermi Paradox. Where are all the aliens? But an even stranger question is: where are all the robot aliens? If you've seen at least one other episode of the Guide to Space, you know I'm obsessed about the Fermi Paradox. This idea that the Universe is big and old, and should be te
Ask A Spaceman Ep. 276: What Would Happen if the Sun…Stopped?
Solar Apocalypse! Hosted by Dr. Paul M. Sutter. What really keeps the Sun shining? How long would it stay warm if fusion stopped? How long would it take before we noticed? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Watch on YouTube: http://www.youtube.com/PaulMSutter Read a book: https:
Astronomy Cast Ep. 58: Inflation
http://www.astronomycast.com/archive/ From October 15, 2007. Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) We interrupt this tour through the solar system to bring you a special show to deal with one of our most complicated subjects: the big bang. Specifically, how it's possible that the universe could have expanded faster than the speed of light. The theory is called th
Travelers in the Night Eps. 899 & 900: Hitch Hiking an Asteroid to Mars & Earth Life From Mars
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org From May 2026. Today's 2 topics: - Asteroids could provide a solution for the serious problem of how to protect astronauts from harmful solar and cosmic radiation during long duration space fligh
AstroMan - D for Dark Sky Protection
When was the last time you saw the Milky Way? In this episode of Astroman, Exodus Chun-Long Sit explores how light pollution is changing our night skies, affecting wildlife, wasting energy, and limiting our view of the universe. Learn why protecting dark skies matters—and how simple actions can help bring the stars back. "ASTROMAN: the Dark Sky Guardian" is a podcast channel that aims to explore
EVSN - Astronomy Asks: How Did You Get There?
From July 1, 2026. How is this the last episode of the season? July snuck up on us. We'll be back Sept 2 with Season 5! For now, we've got astronomers asking questions; questions like "Did you eat a planet?" and "How did you get there?" Expect the unexpected with a side of rockets. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just v
Space Stories - Starburst Galaxy: The Universe's Stellar Baby Boom
Hosted by Avivah Yamani, our Director! Some galaxies don't just make stars. They go on a star-making frenzy! Discover what turns an ordinary galaxy into a starburst galaxy, and why these spectacular events help astronomers understand how galaxies evolved over billions of years. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit
Guide To Space - What Are Fast Radio Bursts? A Big Mystery in Astronomy
https://www.youtube.com/watch?v=ikdOTj6g_Zw Hosted by Fraser Cain. From Apr 26, 2017. Here's a big mystery in astronomy: fast radio bursts. Brief shrieks of radio waves coming from space. What are they? Where do they come from? Astronomers have no idea. Team: Fraser Cain - @fcain / frasercain@gmail.com Karla Thompson - @karlaii Chad Weber - weber.chad@gmail.com You might think you're watching
Deep Astronomy - Exolife Hangout: Happy Pi Day!
https://www.youtube.com/watch?v=zXW7uXo04aE Hosted by Tony Darnell. Streamed live on Mar 14, 2018. Join Tony Darnell, Dr. Jeff Kuhn, Dr. Svetlana Berdugina and Kevin Lewis as they discuss the latest development in the field of astrobiology. Want to learn the latest in Exoplanet research? The cutting edge of finding related to our search for life elsewhere? Then this is the hangout for you! Thi
Astronomy Cast Ep. 41: The Rise of The Supertelescopes
Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) From June 18, 2007. The last decade has been the golden age of astronomy, with new observatories and space telescopes pushing out our understanding of the Universe. We see billions of light years away, watch dynamic events unfold in almost real-time, and see into every corner of the electromagnetic spectrum. But just you wait
Travelers in the Night Eps. 897 & 898: Kacper's Comet & Pandora
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org From May 2026. Today's 2 topics: - In 2007 a small icy object moving in the constellation of Ursa Minor crossed the orbit of Pluto at a speed of approximately 4.2 mi/s starting its journey toward
NOIRLab - The First Magnetar Progenitor
Neutron stars, the compact remains of a massive star following a supernova explosion, are the densest matter in the Universe. Some neutron stars, known as magnetars, also claim the record for the strongest magnetic fields of any object. How magnetars, which are a mere 15 kilometers across, form and produce such colossal magnetic fields remains a mystery. New observations by a team of astronomer
EVSN - After Hours: Exploring Physics Through Spaceflight Missions with author Trisha Muro
Hosted by Dr. Pamela L. Gay. From July 8, 2026. The physics behind modern spaceflight explores everything from aerodynamics to thermodynamics with a lot of kinematics playing a role along the way. We welcome on guest Trisha Muro to discuss her new book, "It's (Just) Rocket Science", which explores how we can learn physics through spaceflight missions. We've added a new way to donate to 365 Days
UNAWE Space Scoop - Why Does Jupiter Have Bigger Moons Than Saturn
https://spacescoop.org/en/scoops/2609/why-does-jupiter-have-bigger-moons-than-saturn/ Hosted by our editor, Richard Drumm. Jupiter and Saturn are the gas giants in our Solar System. Ummm… Uranus & Neptune are now called ice giants. But back to Jupiter & Saturn. They are the largest planets, have the most moons compared to the other planets, and if that isn't cool enough, they're home to some of t
Awesome Astronomy - When Cosmologists Get Spicey
Paul Hill & Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. This month it appears cosmology is saved, Swift maybe saved and exoplanets have their magnetosphere measured. Jeni has been in the States where she may have been turned into an android visiting Silicon Valley. We've added a new way to donate to 365 Days of Astronomy to support editing, hos
Ask A Spaceman Ep. 275: Why Can't the Universe Be Cyclic?
Hosted by Dr. Paul M. Sutter. What are the weaknesses of inflation theory? How did the ekpyrotic theory attempt to improve it? How did it open up its own can of worms? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Watch on YouTube: http://www.youtube.com/PaulMSutter Read a book: https://ww
Astronomy Cast Ep. 6: Ep. 6: More Evidence For the Big Bang
Mon 06: Astronomy Cast Ep. 6: Ep. 6: More Evidence For the Big Bang http://www.astronomycast.com/archive/ From October 16, 2006. Last week's episode started out with a bang… a Big Bang. This week we continue our discussion into the beginning of everything. We present three additional lines of evidence that have led astronomers to the conclusion that our Universe started out as a singularity 13.7 b
Travelers in the Night Eps. 895 & 896: Tracking Space Junk & Sneaky But Potentially Dangerous
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org From April 2026. Today's 2 topics: - According to NASA an average of one catalogued piece of space junk per day has come down to Earth over the past 50 years. Research is described which can trac
Equatorial Sky Guide For July
Hosted by our Director, Avivah Yamani. Discover the highlights of the July 2026 equatorial night sky, including Venus meeting Regulus, Mars and Uranus' closest conjunction until 2053, the Buck Moon, meteor showers, and the best nights to observe the Milky Way. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: https://www.patr
EVSN - Tracing the Hidden & Revealing the Past
From June 24, 2026. In this episode we look at the hidden and unexpected geology that may lurk beneath East Antarctica's ice sheet, evidence of past worlds and lost moons that may once have populated our solar system, and evidence of a past Supernova that today may be showering the Earth with material. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and prod
Actual Astronomy - Observer's Calendar For July
Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan who enjoy teaching astronomy classes and showing the public views through their telescopes. actualastronomy@gmail.com Patreon thanks go out to Justin Y. Also thanks for all the kind comments on the David Nagler Episode. [Rich] I'm sorry, but the lads didn't give me a detailed list of sky treats to put here in the show
H'ad Astra Historia - Ep 304: More 'This Month in Astronomical History' Sedna & Lunokhod
Today's 'guest' is HAD's This Month in Astronomical History. I'll be reading more essays from the archives: Emily McMahon's November 2020 essay titled, "Sedna: In the Depths of the Solar System", and Dr. Ken Rumstay's November 2022 essay titled, "Lunokhod 1 - The First Extraterrestrial Rover". Please note that Emily was a high school student when she wrote her essay, so you don't have to be an as
Cheap Astronomy - Dear CA Ep. 136: Complexities
Things aren't always straight-forward. Hosted by Steve Nerlich. Dear Cheap Astronomy – What's all the current fuss about dark energy? Some preliminary data from the Dark Energy Spectroscopic Instrument, also known as DESI has resulted in a swath of popular science articles claiming dark energy is diminishing. Well… It's worth starting by saying that many of the core project team have stressed it'
Astronomy Cast Ep. 799: Heavy Lift Rockets
https://www.youtube.com/watch?v=aDgA3eiUANs Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) Streamed live June 22, 2026. The Saturn 5 was a monster, capable of sending humans and a lander to the Moon and bringing them back again. But the number of heavy lift rockets since then has gotten pretty sparse. Now, with tens if not hundreds of thousands of satellites in the works
Travelers in the Night Eps. 893 & 894: DarkSky Oregon & Discovery Night at the Schmidt
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org From April 2026. Today's 2 topics: - Artificial light at night also known as light pollution is degrading human safety and health as well as damaging the natural environment on which we all depen
The Cosmic Savannah Ep. 083: Celebrating 20 Years of SALT
Hosted by Dr. Jacinta Delhaize & François Campher. Jacinta and Francois wrap up Season 6 of The Cosmic Savannah with this exciting and reflective episode, discussing the history, science and legacy of the Southern African Large Telescope (SALT) which celebrated it's 20th anniversary in November of 2025. The team is joined by Professor David Buckley from the South African Astronomical Observatory (
EVSN After Hours: Our Shape-Shifting Universe With Author Chanda Prescod-Weinstein
Hosted by Dr. Pamela L. Gay. From June 17, 2026. Join Pamela for an hour that looks at science and society as she talks with author and cosmologist Chanda Prescod-Weinstein. In her new book, "The Edge of Space-Time: Particles, Poetry, & the Cosmic Dream Boogie" Prescod-Weinstein weaves scientific and lyrical understandings of cosmology, bringing together the language of elders with the math of mod
Space Stories: Habitable Zone: The Search for Another Earth
Hosted by our Director, Avivah Yamani. What makes a planet potentially habitable? In this episode of Astronomy Words, we explore the habitable zone, also known as the Goldilocks Zone, and learn why worlds like Earth, Mars, Venus, TRAPPIST-1, and Kepler-186f are helping astronomers search for life beyond our Solar System. We've added a new way to donate to 365 Days of Astronomy to support editing
Awesome Astronomy - June Part 2: The Secret History of a Space Mission
Paul Hill and Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. The idea that sparked a billion-dollar space telescope was recorded in the most unlikely of places: a scrap of paper fished out a pocket while gondolas sailed by in Venice. In this talk, award-winning astrophysicist and science communicator Steve Eales of Cardiff University takes us on the
Deep Astronomy - Planetary Environments and Health Risks
https://www.youtube.com/watch?v=Cil0v7dIkgc Hosted by Tony Darnell. Streamed live on Jul 6, 2017. If we send humans to Mars, will they be able to survive? How hostile is the solar system for human exploration? The Mars environment presents many challenges to human survival and long-term residence. In addition to radiation, unbreathable atmosphere, and dust storms, surviving alien microorganisms
Astronomy Cast Ep. 798: Our Summer Media List
https://www.youtube.com/watch?v=3vQt1UYsV24 Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) Streamed live on Jun 15, 2026. Well, we're just a couple of weeks away from summer hiatus and so it's time to give you some homework. Here's our list of stuff we've been reading watching and playing. This should fill the Astronomy-Cast-shaped hole in your media landscape. On the pla
Travelers in the Night Eps. 891 & 892: 2026 AA & 140 Meter Asteroids
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org From March 2026. Today's 2 topics: - My Catalina Sky Survey teammate Tracie Beuden was observing with our Schmidt telescope on Mt. Bigelow, Arizona in the constellation of Perseus when she found
Astroman - C Is For Constellation
From Orion and the Summer Triangle to Indigenous sky traditions, this episode explores how constellations became tools for navigation, storytelling, and understanding the night sky. "ASTROMAN: the Dark Sky Guardian" is a podcast channel that aims to explore popular science in multiple disciplines and research on interdisciplinary approaches, such as sustainability, dark-sky protection, astrophot
EVSN - Tails SpaceX Fails, Heads We Lose the Earth
Hosted by Dr. Pamela Gay. From June 10, 2026. In this episode, we look at the SpaceX SEC initial filing and put its facts and figures in context and ask, can they do it? And can the Earth survive if they succeed? We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as
Actual Astronomy - Telescope Powers
Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan who enjoy teaching astronomy classes and showing the public views through their telescopes. actualastronomy@gmail.com This month we talk about the full range of telescopic magnification powers from Low, Medium to High and how to achieve them using exit pupil. Topics include using exit pupil as a guide to power and ho
Cheap Astronomy - Dear CA Ep. 135: Going Nuts
Are we really ready? Hosted by Steve Nerlich. From Dec 1, 2025. Cheap Astronomy tries to stay sane on a trip to Mars? Dear Cheap Astronomy – Will we just go nuts on a two-year mission to Mars Well, we might if the space radiation doesn't kill us first. As we may have noted in previous episodes, current timelines for when we'll land on Mars seem to take little account of the fact that there are man
Ask A Spaceman Ep. 274: Is Dust the Best Thing in the Universe?
All Hail Dust! Hosted by Dr. Paul M. Sutter. Why is dust so annoying? But where does it come from, and what can it do? And is dust responsible for the creation of life? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Watch on YouTube: http://www.youtube.com/PaulMSutter Read a book: https://w
Astronomy Cast Ep. 797: Summer in Space
https://www.youtube.com/watch?v=tSIp-RwWegA Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) Streamed live June 10, 2026. We're about to take a much needed 2 month hiatus. But just because we're not here doesn't mean space stops existing and doing things. Today, let's give a preview of the big events due to happen in space this summer so you can prepare yourself and make su
Travelers in the Night Eps. 889 & 890: Lick Observatory & Comet 467P (Linear-Grauer)
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org From March 2026. Today's 2 topics: - In 1892 the world's largest telescope, the Lick Observatory's 36 inch refracting telescope made the news when E.E. Barnard discovered, Amalthea, the 5th moon
NOIRLab - Strong Hints of Magnetic Fields On Exoplanets
Using the Gemini North telescope in Hawai'i and the European Southern Observatory's Very Large Telescope, a team of astronomers measured wind speeds on seven very hot, Jupiter-like exoplanets. The observations revealed that the winds on these planets are most likely governed by magnetic fields, providing the first robust measurement of magnetic activity on planets outside the Solar System. In this
EVSN - Chasing Chemistry: Missions Measure Comet & Planet Atmospheres
From June 3, 2026. In this episode, we're going to look at Psyche's success at Mars, the cool 3I-ATLAS science coming from Europa Clipper and JUICE en route to the Jupiter system, and we also look at JWST's efforts to study exoplanetary atmospheres and the weird weather of other worlds. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. J
Actual Astronomy - Observer's Calendar for June
Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan who enjoy teaching astronomy classes and showing the public views through their telescopes. actualastronomy@gmail.com This month we talk about the Moon meeting up with the planets and some interesting Lunar Features. We also talk about some of the best deep sky objects to observe at this time of year. I was away then s
Awesome Astronomy - Psyche, Poet and Astronomy Exams
Paul Hill and Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. It's the chatty astrowaffle episode! Psyche rushing past Mars, Power instrument at VLT, GCSE Astronomy exams and listener emails. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: https://www.patreon.com/365DaysOfAstr
Deep Astronomy - Vega: The Second Most Important Star in Our Sky
https://www.youtube.com/watch?v=0NEnjp1I6GQ Hosted by Tony Darnell. From Sep 7, 2017. Vega, or alpha lyrae, is the brightest star in the constellation Lyra the Harp and it is the fifth brightest star overall in our night sky. It is also the second brightest star in the northern celestial hemisphere. Vega has also been called by astronomers the second most important star in our sky next to the S
Astronomy Cast Ep. 796: Oceans & Organics on Mars
https://www.youtube.com/watch?v=HwCk5uldz4g Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) Streamed live on Jun 1, 2026. Mars is cold & dry today, but the evidence is growing that it used to be warmer & wetter. with seas & oceans that covered large parts of its surface. With the additional findings of the chemicals for life, the search for life on Mars is getting pretty i
Travelers in the Night Eps. 887 & 888: Apophis Bound & Investigating the Mystery of How Life Formed
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org From February 2026. Today's 2 topics: - In April 2029 on one of the luckiest Friday the 13th in human history the 1,500 ft by 500 ft asteroid Apophis will pass within 23,600 miles of the Earth's
Equatorial Sky Guide - June Episode
Hosted by our Director, Avivah Yamani. Mercury reaches its best evening appearance of the year, Venus and Jupiter meet in twilight, the Moon visits the planets, and the Milky Way shines brightly over equatorial skies. Join us for a tour of the June 2026 night sky. Clear skies! We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit:
EVSN - After Hours: Crowdsourcing Innovation with Trisha Epp
From May 27, 2026. Trisha Epp joins us to talking about NASA's collaboration with Freelancer, and how Innovation is now getting crowdsourced. Join in to learn how to launch your own Moonshot! Guest Trisha Epp is a Physicist, Philosopher, and Futurist with a Masters in Geophysics from CalTech and a duel bachelors in physics and philosphy from the University of British Columbia. Since 2023, she's be
Guide To Space - Lunar Rovers, From Apollo to Artemis
https://www.youtube.com/watch?v=larzCw9Vn-w From Jul 21, 2020. When the Apollo astronauts first landed on the Moon, they couldn't go far on foot. That's why the three final missions were equipped with Lunar Roving Vehicles, or Moon buggies, which allowed the astronauts to cover much more ground and do more science. Now that NASA is returning to the Moon by 2024 as part of its Artemis Program, it
Awesome Astronomy - June Part 1: Objects In the Golden Mirror May Be Closer
Paul Hill and Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. This month a bit of a JWST fest with news about the cosmic Web (Webb?! ) and those little red dots that seem to be breaking cosmology. There is also our normal skyguide and moon guide. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production co
Ask A Spaceman Ep. 273: What if the Universe Had No Beginning?
Hosted by Dr. Paul M. Sutter. What does is mean for the Universe to have a wave function? How does Hawking's "no boundary" proposal mean that the Universe comes from itself? And is it really the final answer? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Watch on YouTube: http://www.youtub
Astronomy Cast Ep. 795: Expanse Science
https://www.youtube.com/watch?v=n14RYk2qFtc Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) Streamed live on May 10, 2026. This is the final episode of our series on sci-fi universes. And this week we will tackle "The Expanse". Now we've got fusion drives, Proto-matter, g-forces! Listen up, belta lawda! Let's look at the science of our own possible (with a side of aliens)
Travelers in the Night Eps. 885 & 886: Dark Sky Network & Aviation and Space Weather
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org From February 2026. Today's 2 topics: - Around the world those who value the natural night sky are evaluating the effects of light pollution. In addition to impairing astronomy and star gazing th
UNAWE Space Scoop - Story Of the Sun's 'Road Trip' Through the Milky Way With Friends
https://spacescoop.org/en/scoops/2605/story-of-suns-road-trip-through-the-milky-way-with-friends/ Did you know that our Sun and its many, uh, childhood friends were all born at a place much closer to the center of our Galaxy? Over the years, our Sun and its friends have been on sort of a speedy galactic tour traveling a distance of almost 10,000 light-years from the center of the Milky Way. But t
EVSN - Astronomers: Improbability Finders
From May 20, 2026. Pamela is on the road in this episode as we look at how (and why) astronomers keep finding the improbable, follow the evidence to possible sources of little red dots, study the power of big star clusters to move gas, and examine the merger history of little black holes into bigger ones. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and p
H'ad astra historia - Ep. 303: A Review of This Month in Astronomical History
Today's 'guest' is HAD's This Month in Astronomical History. I'll be reading two essays from the archives: Dr. Rebecca Charbonneau's Aug 2018 essay titled, "The Mysterious Wow! Signal" and Dr. Richard Fienberg's May 2022 essay titled, "The First Telescope on the Moon." This Month in Astronomical History is a lead-in to next month's interview with the new Editor, Dr. Mugdha Polimera. H'ad astra h
Space Stories - Exoplanets
Hosted by our Director, Avivah Yamani! Today we are traveling beyond our solar system to talk about one of the most exciting discoveries in modern astronomy. Exoplanets! We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can! Share the podcast with your frien
Exoplanet Radio - The First Exoplanet Of JWST
Hosted by Tony Darnell. From July 17, 2023. The James Webb Space Telescope Has confirmed its first exoplanet, LHS 475 b, in the southern constellation Octans, using the transit technique. The TESS satellite detected the possible presence of it and JWST's NIRSpec instrument has confirmed the observation. The planet is 99% the diameter of Earth & 91.4% of Earth's mass. So your first hope is that it'
Astronomy Cast Ep.139: Energy Levels & Spectra
http://www.astronomycast.com/archive/ From May 25, 2009. Last week (May 18, 2009) we took a peek into the tiny world of quantum mechanics, and its unintuitive, but very accurate mathematical predictions. And although we all appreciate the physics lesson, you're probably wondering what this all has to do with astronomy. Well, today we bring it all home and explain how quantum mechanics has given as
Travelers in the Night Eps. 883 & 884: Theia & Turkeys and Asteroids
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org From January 2026. Today's 2 topics: - In the distant past things in our solar system were very much more wild and violent than they are today. 4.5 billion years ago a Mars sized object called Th
The Cosmic Savannah - When Telescopes Think - AI and The Future of Astronomy
Hosted by Dr. Jacinta Delhaize, Dr. Tshiamiso Makwela, Dr. Daniel Cunnama & François Campher. In this episode of The Cosmic Savannah, Dan and Francois sit down with Dr. Nick Erasmus to explore the ATLAS Digital Assistant and the growing role of Artificial Intelligence and Machine Learning in astronomy. They discuss how these technologies are reshaping the modern astronomical landscape and what t
EVSN - Uncommon Stars
From May 13, 2026. In today's episode where we look at the Voyager mission's exploration beyond our solar system, the organics Mars Curiosity Rover has discovered, the distribution of planets uncovered by the TESS mission, and how JWST measured the surface of a rocky world 50 light years away! We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production co
Actual Astronomy - Observing While the Moon is Up
Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan who enjoy teaching astronomy classes and showing the public views through their telescopes. actualastronomy@gmail.com In this episode we read some listener emails and discuss our recent observing sessions, sketching and Shane talks about his first experience with the PiFinder. Observing Last night. It was a nearly f
Guide To Space - Many New Fast Radio Bursts Found, Including Another Repeater
https://www.youtube.com/watch?v=voRC5ImEMH4 From Jan 18, 2019. Hosted by Fraser Cain. One of the big mysteries in astronomy is unfolding right before our eyes: fast radio bursts. And now a new Canadian radio telescope has come online, detecting many new bursts, including the second ever seen repeating. Finally, with the right tools at their disposal, astronomers are going to be able to get to b
Ask A Spaceman Ep. 272: Are Neutrinos Their Own Evil Twins?
Majorana particles! Hosted by Dr. Paul M. Sutter. What does "antimatter" actually mean? Can a particle be its own opposite? What would happen to it, and what does this have to do with a missing scientist? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Watch on YouTube: http://www.youtube.co
Astronomy Cast Ep. 794: Stargate Science
https://www.youtube.com/watch?v=ZJ9GIAGMk2Q Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) Streamed live on May 10, 2026. We continue our ad-hoc miniseries through sci-fi franchises. This week we'll talk about Stargate, worm holes, mind parasites and self-replicating bots. There's a lot to talk about! This show is supported through people like you on Patreon.com/Astrono
Travelers in the Night Eps. 881 & 882: Dangerous Comets & David's Goliath PHA
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org From December 2025 & January 2026. Today's 2 topics: - It is possible the object creating the Tunguska event in Russia 1908 which knocked down 80 million trees over an area about twice the size o
ASTROMAN - B for Big Dipper
Learn how the Big Dipper can guide you to the North Star and why this famous star pattern has helped travelers navigate for centuries. "ASTROMAN: the Dark Sky Guardian" is a podcast channel that aims to explore popular science in multiple disciplines and research on interdisciplinary approaches, such as sustainability, dark-sky protection, astrophotography, space exploration, astronomy innovatio
EVSN - Uranus' Odd Tilt Possibly Explained By New Model
From April 6, 2020. Tokyo Institute of Technology researchers have published a model that seems to explain Uranus' bizarre tilt - a collision between a young Uranus and a massive ice world that could have both tipped Uranus over, and also formed its rings and its 27 moons in the process. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.
Space Stories - Shooting Stars
Hosted by our Director, Avivah Yamani! Discover the science behind shooting stars, from meteors and meteor showers to the cosmic debris constantly entering Earth's atmosphere. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs. Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can! Share the podcast with your
Guide To Space - Finally! An Explanation for One of the Most Powerful Supernovae Ever Seen
https://www.youtube.com/watch?v=OEZu3pXAFWY Hosted by Fraser Cain. From Jan 31, 2020. In 2006, astronomers spotted the telltale sign of a supernova detonating in the galaxy NGC 1260, located about 240 million light-years away in the constellation of Perseus. As telescopes around the world turned their collective light-gathering power on the expanding explosion designated as SN 2006gy, they realize
Deep Astronomy - Discoveries of JWST Ep. 6: Revealing the Universe's First Stars
https://www.youtube.com/watch?v=ZEsLOAJWEo8 Hosted by Tony Darnell. From May 30, 2025. Join this channel to get access to special content including livestreams! The James Webb Space Telescope has unveiled candidates for the very first stars to shine in the universe. Here is what it found. We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.
Astronomy Cast Ep. 793: Star Trek Science
https://www.youtube.com/watch?v=5MqoQOXdQis Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) Streamed live May 4, 2026. Today we continue our mini-series; evaluating the science of various sci-fi franchises. We did Star Wars last week, this week tackle Star Trek. From transporters to warp drives, from phasers to photon torpedos. Let's tackle what Star Trek gets right and wr
Travelers in the Night Eps. 879 & 880: Lurking Asteroid & Carrington Anticipated
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006. travelersinthenight.org From December 2025. Today's 2 topics: - The Dark Energy Camera on the National Science Foundation's Blanco 4-meter telescope on Cerro Tololo in Chile is taking near Sun twilight images to search
NoirLab - NSF-DOE Vera C. Rubin Observatory Discovers Thousands of Asteroids
Scientists at NSF–DOE Vera C. Rubin Observatory, jointly funded by the U.S. National Science Foundation and the U.S. Department of Energy's Office of Science, have submitted an unprecedented set of asteroid detections to the IAU Minor Planet Center, including hundreds of distant worlds beyond Neptune and 33 previously unknown near-Earth asteroids. In this podcast, Dr. Mario Juric discusses how the
EVSN - The One With the Dark Matter
From May 6, 2026. In this episode, we're going to be looking back in time at how Dark Matter may have influenced the formation of Supermassive Blackholes, newly catalogued remnants of left over hydrogen, an ancient star found as part of a class observing project, and tales from the launch pad. NBC's "Hubble telescope celebrates 36th anniversary" with Morgan Chesky: https://www.youtube.com/watch?v=
Actual Astronomy - The Observer's Calendar for May 2026
Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan who enjoy teaching astronomy classes and showing the public views through their telescopes. actualastronomy@gmail.com Observer's Calendar for May 2026 on Episode 533 of the Actual Astronomy podcast. I'm Chris and joining me is Shane. We are amateur astronomers who love looking up at the night sky and this podcast is
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