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
Travelers in the Night Eps. 369E & 370E: Night Vision & Double Comet
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: - Many people in our modern world rarely if ever experience night vision. To achieve this interesting state of sensory awareness you cannot lo
Actual Astronomy - Messier Objects for August
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 On Episode 547 of Actual Astronomy, hosts Chris and Shane guide listeners through observing an array of August Messier objects across the constellations Ophiuchus, Scorpius, and Sagittarius. The show
Space Stories - The Fastest Star in the Milky Way
Hosted by our Director, Avivah Yamani. Meet S301, the fastest known star in the Milky Way, racing around Sagittarius A* and offering astronomers a new way to measure the spin of our galaxy's supermassive black hole. 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
EVSN - After Hours: Doing Big Science With Light Tools & Guest Dr. Danny Jacobs
From July 30, 2026. Hosted by: Dr. Pamela L. Gay (@CosmoQuest) Science comes from many corners, and there is a need for both 600-m radio telescopes made on a great plain (Like the RATAN-600) and 60cm radio dishes built in a living room. In this After Hours, we talk with ASU professor Dr. Danny Jacobs (https://danielcjacobs.com)about how he engages students of all kinds in space sciences through ed
Awesome Astronomy - The Eclipse & the Perseids
August Part 2. Paul Hill hosts solo! Damien Phillips, John Wildridge and Dustin Ruoff produce. Join Paul in his Astronomy lair as he live sketches the Eclipse, chats to neighbours and talks Astronomy news while spotting Perseid meteors. 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/365DaysOfAstrono
Ask A Spaceman Ep. 278: What's A Good Story About Chandrasekhar?
Physics under pressure! Hosted by Dr. Paul M. Sutter. What was the big deal about Chandrasekhar's discovery? Why did he meet so much resistance? How is his work tied to everything from supernovae to black holes? 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.you
Astronomy Cast Ep. 118: Sky Surveys
http://www.astronomycast.com/archive/ From December 12, 2008. Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) In the old days, astronomers had to beg for telescope time. They'd put together a proposal, convince observatories to gather data for them, crunch that data and release the results. No telescope, no results. But everything's different now. Fleets of robotic telesco
Travelers in the Night Eps. 367 & 368: Moons of Florence & Roving Venus
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: - Dr. Lance Benner of NASA's Jet Propulsion Laboratory headed up a team of scientists who used the 70 meter antenna at NASA's Goldstone Deep Space Communicat
Astroman - E is for Eclipse
Today's episode is all about last Wednesday's total solar eclipse. But you have a partial lunar eclipse that's coming up that you can look forward to on August 27-28! "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
EVSN - After Hours: International Moon Day 2026 With guest Jekan Thanga
Hosted by: Dr. Pamela L. Gay (@CosmoQuest) From July 22, 2026. On July 20, the world celebrates International Moon Day. This UN designated holiday marks the anniversary of humanity's first landing on the Moon. The Apollo 11 landing in 1969 is now only a distant memory or a date from history for most people, but it is worth thinking about as the world prepares to return humans to the Moon in the co
Guide To Space - Where Do Comets Come From? Exploring the Oort Cloud
https://www.youtube.com/watch?v=IQtdQ94jy8I From Oct 17, 2017. Hosted by: Fraser Cain (@frasercain) Some comets orbit the Sun on a regular basis, but others come in from deep space, a region known as the Oort Cloud. What causes them to make this journey, and will we ever be able to explore the Oort Cloud? Before I get into this episode, I want to remind everyone that it's been several decades si
Equatorial Sky Guide - August 2026
Hosted by our Director, Avivah Yamani. Explore the August 2026 equatorial sky, from the Perseids and Milky Way to bright planets and the August 12 total solar eclipse. 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 friends
Cheap Astronomy - Dear CA Ep. 137: Space Missions
Hosted by Steve Nerlich. We are still out there. Dear Cheap Astronomy – Why do some space missions last so long? So, we're all familiar with the stories of the Mars rovers, Spirit and Opportunity, landing with mission lifespans of 90 days, that then went on to rove the surface of Mars for 15 years. And the Voyager probes, launched in 1977, were supposed to have five-year missions, which are now go
Astronomy Cast Ep. 160: Eclipses
http://www.astronomycast.com/archive/ From October 19, 2009. Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) Every now and then, the Moon destroys the Sun. Okay, not destroys, covers. Well, not really covers, but from here on Earth, sitting inside the shadow of the Moon, that's what it sure looks like. These events are called eclipses, or more precisely, transits and occul
Travelers in the Night Eps. 365E & 366E: Spotting Meteors & Mars Rocks
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: - Meteors, shooting stars, or falling stars are different names for the streaks of light in the night sky which are in reality the dying embers of tiny aster
NOIRLab - The Start of the LSST
Hosted by Rob Sparks. The 10-year Legacy Survey of Space and Time has officially started, marking the beginning of a new era in astronomy and astrophysics. Over the next ten years, Rubin will relentlessly observe the entire southern sky every few nights to create an ultra-wide, ultra-high-definition time-lapse record of our Universe. This long-awaited milestone is the culmination of years of effor
EVSN - After Hours: Space Rocks Collected for Science With Guest Dr. Rhonda Stroud
From July 15, 2026. Hosted by: Dr. Pamela L. Gay (@CosmoQuest) Our solar system readily provides us with free samples of other worlds in the form of meteorites. The trick comes in first recognizing them, and then in understanding what science is locked in their minerals. One major center for collecting and studying these space rocks is Arizona State University's Buseck Center for Meteorite Studies
Actual Astronomy - The Observer's Calendar for August 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 Episode 545 of the Actual Astronomy podcast features hosts Chris and Shane discussing the observer's calendar and planetary visibility for August 2026. Throughout the month, skywatchers can track key
Ask A Spaceman Ep. 277: What's It Like to Travel Near the Speed of Light?
Life at lightspeed! Hosted by Dr. Paul M. Sutter. What does high-speed motion through the Universe do to your perspective? What is the Rindler horizon, and how does it appear? Would you get vaporized by a high-energy bath of radiation? 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
Awesome Astronomy - August Part 2: Jodrell Bank Murder Club
Paul Hill and Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. Angry episode where Paul and Jeni have their blood boiled by the decision to defund Jodrell Bank Observatory and the plans to launch over a million satellites, thousands of which will be brighter then the full moon! We've added a new way to donate to 365 Days of Astronomy to support edit
Astronomy Cast Ep. 85: Detectors
http://www.astronomycast.com/archive/ Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) From April 21, 2008. Our senses can only detect a fraction of the phenomena happening in the Universe. That's why scientists and engineers develop detectors, to let us see radiation and particles that we could never detect with our eyes and ears. This week we'll go through them all, so yo
Travelers in the Night Eps. 363E & 364E: House Sized Space Rocks & Jupiter
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 November 2025. Today's 2 topics: - Throughout history small close approaching space rocks have been a part of our environment. Now, thanks to improved telescopes and cameras, asteroid hunter
Space Stories - Betelgeuse Was Never Alone
Hosted by Avivah Yamani, our Director! Was Betelgeuse ever truly alone? For over 100 years, astronomers searched for a hidden companion to Orion's famous red supergiant. Now, new observations from ESO's Very Large Telescope have revealed the clearest evidence yet that Betelgeuse has a stellar companion. Discover the science, the mystery, and why this finding is changing our understanding of one of
EVSN - Betelgeuse Smaller Than Previously Calculated, Still A Mystery
From February 10, 2021. Hosted by Dr. Pamela L. Gay. Scientists collected fresh data on Orion's bright star Betelgeuse to try and understand this star that caused so much controversy. They found it's smaller than previously calculated, and last year's dimming was likely caused by dust, but it's also more complex than thought. Plus, galaxies, Earth's forests, ice on Mars, and Saturn's moon Rhea.
UNAWE Space Scoop - A Blazing Hot World With A Buzzing Secret
https://spacescoop.org/en/scoops/2608/a-blazing-hot-world-with-a-buzzing-secret/ Hosted by our editor, Richard Drumm. Far, far away from Earth, over 300 light-years away, is an incredible exoplanet called WASP-189b, in the constellation Libra, the scales. It lies a bit to the NW of Beta Librae, or Zubeneschamali, and almost exactly due north of the Libra star with my favorite star name: Zubenelge
Guide To Space - Betelgeuse Is Still Dimming! And We Have the Pictures to Prove It
https://www.youtube.com/watch?v=gC4LEozmqXE From Feb 16, 2020. Hosted by Fraser Cain. Near the end of 2019, astronomers watching the red giant Betelgeuse noted how much the star had dimmed, continuing to steadily fade for months. It's a variable star, and it's known to get dimmer and brighter, but the big surprise is that it's still continuing to dim, recently passing magnitude 1.56 and still gett
Awesome Astronomy - Eclipse Girl Summer!
July Part 2! Paul Hill & Dr. Jenifer "Dr. Dust" Millard host. Damien Phillips, John Wildridge and Dustin Ruoff produce. Summer is here, so is the heat and so is the Eclipse! Chat, tips and hints about August's Eclipse and the Perseid meteor shower, as well as summer vibes, emails and Jeni dressing up as Max Wall. Link: https://github.com/marcel-jan/inkystarmap We've added a new way to donate to
Astronomy Cast Ep. 89: Adaptive Optics
http://www.astronomycast.com/archive/ Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest) From May 19, 2008. Since the dawn of humanity, astronomers have wished to destroy the atmosphere. Oh sure, it's what we breathe and all, but that stupid atmosphere is always getting in the way. Since destroying the atmosphere is out of the question, astronomers have figured out how to wor
Travelers in the Night Eps. 361E & 362E: Newest Moon & Tiny Beasts
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 November 2025. Today's 2 topics: - The moon cycle from new moon through full moon and back to new moon again was used by many nations to regulate their activities and forms the basis of the
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
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