Small Steps, Giant Leaps
NASA's technical workforce put boots on the Moon, tire tracks on Mars, and the first reusable spacecraft in orbit around the Earth. Learn what's next as they build missions that redefine the future with amazing discoveries and remarkable innovations.
Episodes
The X-59 Goes Supersonic: What's Next?
NASA’s experimental X-59 airplane went supersonic for the first time on June 5, 2026. What's next for the mission that aims to reopen the skies to quiet commercial supersonic flight?
Life Support Systems: From Space Station to Orion
Astronauts aboard the International Space Station depend on life support systems that provide clean air, drinkable water, and a safe, livable environment. These systems are what make long-duration spaceflight not only possible, but comfortable. Today, some of these space station technologies have been adapted for Artem
Science Takes a Village (in Alabama)
Ground teams connect with astronauts aboard the International Space Station to help them carry out research and experiments. Kassandra Stephens, payload communications manager at the Payload Operations Integration Center at Marshall Space Flight Center, works with space station crews to get science done.
Transformative Aeronautics
A NASA research program collaborates with universities to revolutionize the way we design, build, and operate aircraft. Angela Surgenor, deputy program director of the Transformative Aeronautics Concepts Program, explains.
Calibrating Satellite Image Data
Before scientists can use those satellite imagery for research, the data must be carefully calibrated to ensure measurements are accurate and consistent over time. Julia Barsi, NASA calibration scientist, explains.
Space Nuclear Propulsion
Space nuclear power and propulsion engineering could play a key role in sending robots and humans to deep space, enabling faster and farther journeys.
Test Like You Fly
The “test like you fly” approach is an engineering philosophy that means testing hardware, software, and flight operations as close to reality as possible. Erika Alvarez, deputy director of NASA's Space Systems Department, explains.
Soft Skills for Tough Missions
So-called “soft skills” like good teamwork and communication can become just as valuable as technical skills to advance exploration.
Tracking Launches: Views from a NASA Pilot
NASA pilots play a critical role in launch and recovery operations. Shannon Gregory, chief of flight operations at Kennedy Space Center, shares how his team supports crewed launches from the air, capturing real-time imagery, and staying ready for the unexpected.
How NASA's Pandora Mission Unboxes Distant Worlds
Studying planets in other solar systems isn’t easy, especially when their host stars keep stealing the spotlight. NASA’s Pandora mission will cut through the noise, revealing what the atmospheres of these distant worlds are really made of.
Choreographing Astronaut Recovery
For any crew returning to Earth from space, the journey home includes a carefully choreographed recovery effort to bring them safely back on dry land after splashing down in the ocean. Christine St. Germain, NASA recovery director for the Commercial Crew Program, tells us about this critical phase of flight.
Dragonfly: Mission to Titan
NASA's Dragonfly spacecraft, a rotorcraft the size of a small car, is set to explore Titan, Saturn's largest moon. Rich in organic compounds, Titan offers a rare window into the kinds of chemical conditions that may have existed on Earth long before life began.
Designing the Roadmap to Mars
Nujoud Merancy, NASA's deputy associate administrator for the Strategy and Architecture Office, talks about how NASA is developing the roadmap for Artemis missions to the Moon and beyond.
The Many Hats of NASA Engineer Jennifer Lu
From her experience working with the Commercial Crew Program, which sends astronauts to the International Space Station aboard commercial spacecraft, to the Artemis missions to the Moon, aerospace engineer Jennifer Lu shares how working with a variety of teams — including circus performers before coming to NASA — has helped her see the bigger picture.
Bringing Back Supersonic Flight
Currently, flying faster than the speed of sound over land is prohibited for commercial flights because it creates disruptive sonic booms. NASA's experimental X-59 plane will research how to turn those booms into "sonic thumps," about as loud as a slamming car door. Lead pilot Nils Larson explains how the X-59 could usher in the next era of commercial supersonic flight.
Sailing the Solar System
A solar sail uses light particles from the Sun to move through space without needing a single drop of fuel. NASA is demonstrating the lightweight technology that could open doors to low-cost missions to deep space.
Simulating Moon and Mars Dust
Dr. Jennifer Edmunson explains what it takes to simulate Moon and Mars dust on Earth, and lessons learned from preparing to build habitats on other worlds.
NASA's Centennial Challenges Prize Program
There’s a program at NASA that taps into the power of the public to solve some of the toughest problems in space exploration. It’s called Centennial Challenges, a prize competition that has awarded more than $24 million to hundreds of people ranging from academics, startup founders, small business owners, and independent inventors from across the U.S. and 86 countries.
6,000 Exoplanets and Counting
On September 17, 2025, NASA announced that the number of exoplanets, planets outside our solar system, tracked by NASA has reached 6,000. In the three decades since the groundbreaking detection of exoplanet 51 Pegasi b, the first confirmed planet orbiting a Sun-like star, astronomers have concluded that exotic worlds are everywhere.
NASA's Zero Gravity Research Facility
A steel vacuum chamber 50 stories deep at NASA’s Glenn Research Center lets researchers simulate near-weightlessness by letting test hardware freefall for 5.18 seconds.
Turning Space Data Into Sound
From black holes to star clusters, scientists are turning space data into sound with a process called sonification. Dr. Kimberly Arcand, visual scientist with the Harvard-Smithsonian Center for Astrophysics, joins us to explore how data sonification lets more people experience the cosmos and give researchers a new way to interpret science one note at a time.
StarBurst: Gamma-ray Hunter
StarBurst, a satellite the size of a washing machine, aims to detect the initial blast of gamma-rays, the most powerful bursts of energy in the universe. These huge explosions can occur when dense neutron stars collide, forging metals like gold and platinum. These metals are some of the building blocks of planets — like Earth.
Hubble: An Engineering Marvel
The Hubble Space Telescope has changed humanity’s understanding of the universe. Now in orbit for 35 years, it remains a remarkable feat of engineering.
Fighting Wildland Fires with Drones
Fighting wildland fires by air at night is especially hazardous. NASA’s ACERO Project aims to make firefighting safer, day or night, with drones and smarter airspace management.
A New Era of X-ray Astronomy with IXPE
IXPE, or the Infrared X-ray Polarimetry Explorer, is NASA’s first space telescope dedicated to studying X-ray polarization from extreme objects like black holes and quasars.
Risk Management at NASA
Big or small, we all take risks nearly every day. But how does NASA manage it? Dr. Mary Skow, NASA’s first agency risk management officer, explains.
NASA's Air Traffic Management-eXploration Project
NASA’s Air Traffic Management-eXploration Project aims to accommodate the growing demand of traditional and emerging aircraft that share the friendly skies.
The Universe in Living Color with SPHEREx
NASA's SPHEREx mission will map 450 million galaxies like we’ve never seen before.
Episode 152: EZIE Does It
What can the auroras tell us about our planet’s relationship with the Sun? NASA’s EZIE mission looks into it.
Episode 151: Designing Missions
NASA’s design labs are where engineers develop concepts for missions and scientific instruments.
Episode 150: Urban Air Taxis
Flying taxis? NASA is working on it.
Episode 149: Spacecraft Thermal Blankets
Originally a fashion designer, Paula Cain is a NASA thermal blanket technician, working to protect spacecraft from the extremes of space.
Episode 148: Celebrating NASA's Engineers
NASA engineers turn dreams into reality, solving complex challenges to push exploration forward. From landing rovers on Mars to advancing deep space missions, their ingenuity makes it all possible. This episode with Chief Engineer Joe Pellicciotti and Deputy Chief Engineer Katherine Van Hooser celebrates the innovation, dedication, and impact of NASA’s engineering community.
Episode 147: NASA Photography - Visual Storytelling
Ever wondered what it takes to capture NASA’s most breathtaking moments? From rocket launches to behind-the-scenes astronaut training, Bill Ingalls, senior contract photographer for NASA Headquarters has spent decades framing history through his lens. In this episode, we dive into his journey, how he and his team prepare for assignments, and the importance of visual storytelling.
Episode 146: Space Medicine: Body and Mind
What if we could get rid of lengthy waitlists for organ transplants? Well, imagine 3-D printing a kidney from your own stem cells. That would reduce the chances your body rejects it. That’s the sort of groundbreaking medical research astronauts are conducting aboard the International Space Station. Other research includes understanding the stress spaceflight places on not just the body, but also t
Small Steps, Giant Leaps - Pam Melroy: Behind the Strategy
We’re kicking off 2025 with NASA’s deputy administrator Pam Melroy, who wraps up her tenure at NASA this month. As a former astronaut with three space shuttle flights under her belt – including one flight as commander – Pam has made lasting contributions to human spaceflight. She’s also a veteran of the U.S. Air Force as a retired colonel. In her most recent role, Pam helped shape the NASA’s focus
Small Steps, Giant Leaps: Episode 144: Mining the Moon with NASA’s IPEx Robot
What does it take to mine the Moon? Engineers behind NASA's ISRU Pilot Excavator, or IPEx are digging into the answers. The robotic excavator is designed to unearth lunar regolith and extract oxygen for fuel. In this episode, Jason Schuler, IPEx principal investigator, and Drew Smith, IPEx lead design engineer, explore the engineering challenges, innovative solutions, and the groundbreaking implic
Small Steps, Giant Leaps: Episode 143: NASA Training Simulators
Before leaving the ground, astronauts prepare for spaceflight by immersing themselves in life-like training simulators. This is done with the help of NASA’s Simulation and Graphics Branch. Branch Chief Michael McFarlane leads a team of experts who use cutting edge technology to create digital environments, tools and visualizations that support nearly every aspect of human spaceflight. In this epis
Small Steps, Giant Leaps: Episode 142: Europa Clipper: Voyage to a Water World
Europa Clipper is NASA’s first mission dedicated to studying an icy ocean world. Launched aboard a SpaceX Falcon Heavy rocket on October 14, 2024, from Kennedy Space Center, the spacecraft is set to arrive at Jupiter in April of 2030 to conduct sweeping flybys of Europa. Europa is one of Jupiter’s four large Galilean moons. It’s roughly the size of our own moon, but what’s most is intriguing is th
Small Steps, Giant Leaps: Episode 141: Planetary Defense at NASA
Ever wondered how NASA monitors asteroids? In our latest episode, we go behind the scenes with Dr. Kelly Fast, NASA’s acting planetary defense officer, to discuss efforts to detect, track, and mitigate threats from near-Earth objects, or NEOs. From asteroid early warning systems to a new spacecraft that will find and track NEOs, learn how NASA’s Planetary Defense Coordination Office is at the fore
Small Steps, Giant Leaps: Episode 140: Artificial Intelligence at NASA
NASA has a long history with AI, using it in various applications like autonomous Mars rover navigation and detecting planets in other solar systems. Today, NASA is embracing AI for more members of the workforce, enabling innovation.
Small Steps, Giant Leaps: Episode 139: NASA's Cosmic Origins Program
NASA’s Cosmic Origins Program seeks to understand the origins of the universe, including the formation and evolution of galaxies, stars, and planets. In this episode, Dr. Swara Ravindranath, deputy chief scientist, and Dr. Ron Gamble, a theoretical astrophysicist, discuss their research and the program's goals. They also highlight the importance of diverse perspectives and experiences.
Small Steps, Giant Leaps: Episode 138: The Sun, Star of Our Cosmic Show
The Sun is the ultimate source of life in our solar system, a radiant powerhouse that bathes Earth in the energy necessary for everything from photosynthesis to weather patterns. Its warmth and light sustain us. However, the Sun’s influence isn't always benign. Its solar wind—a stream of charged particles—can disrupt our technology, causing communications blackouts and GPS glitches. In this episod
Small Steps, Giant Leaps: Episode 137: The Roman Space Telescope - Uncovering the Dark Universe
We don’t yet know what dark matter is, yet it makes up 85% of all the matter in the universe. The Roman Space Telescope will aim to unravel the mystery. With a field of view 100 times wider than the Hubble Space Telescope’s, Roman will study in near-infrared light the atmospheres of planets orbiting other stars, making other exoplanet discoveries along the way. The mission is named after Dr. Nancy
Small Steps, Giant Leaps: Episode 136: Soft Robotics
Robots inspired by nature? A novel realm of engineering called soft robotics is being studied at NASA’s Langley Research Center. Engineers are working to understand how soft robotics could one day support space exploration, including missions to the Moon’s surface.
Small Steps, Giant Leaps: Episode 135: Biofilm - Dealing with the Scum off the Earth
Cleaning scum from bathtubs and pipes can be a costly chore. It’s even more challenging aboard spacecraft. NASA researchers are looking at ways to keep astronauts from having to deal with fungal or bacterial buildup, known as biofilm.
Small Steps, Giant Leaps: Episode 134: The Internet of Animals
The Internet of Animals, a collaborative research project with the U.S. Geological Survey along with several universities and institutions is giving insight into the intersection of animal movement patterns and climate. By combining remote sensing data with wildlife tracking tags, experts can get a better idea of scientific needs to manage conservation at the federal level.
Small Steps, Giant Leaps: Episode 133: The Science of Space Gardening
In this episode, Dr. Gioia Massa, senior Life Sciences project scientist at NASA’s Kennedy Space Center, outlines the systems and processes used for growing vegetables aboard the International Space Station. The technology could one day support astronauts on long-duration missions in deep space. What we learn can benefit agriculture on Earth as well.
Small Steps, Giant Leaps: Episode 132: Orbital Debris: Reducing Risk with Cost-Effective Strategies
A new NASA report titled "Cost and Benefit Analysis of Mitigating, Tracking, and Remediating Orbital Debris" compares the cost-effectiveness of several strategies that could reduce the risk of collisions between spacecraft, including the space station, and orbital debris.
Small Steps, Giant Leaps: Episode 131: The Artemis Lunar Terrain Vehicle
In this episode, Jacob Bleacher, NASA’s chief exploration scientist, tells us about the science goals of the Artemis Lunar Terrain Vehicle and how NASA is collaborating with industry to explore more of the Moon’s surface than ever before.
Small Steps, Giant Leaps: Episode 130: Ingenuity’s Final Flight: Lessons Learned
Teddy Tzanetos shares his project management experiences and lessons learned from leading the Ingenuity Mars Helicopter demonstration mission, the first test of powered, controlled flight on another world.
Small Steps, Giant Leaps: Episode 128: Engineering Inflatable Structures for Space
How inflatable habitats moved from concept papers to the International Space Station, and what NASA is doing to eventually put one on the Moon.
Small Steps, Giant Leaps: Episode 127: Chief Program Management Officer
Dave Mitchell brings extensive experience as an engineer and project manager to a new position leading a small team with the broad mandate of improving acquisitions and program and project management across NASA.
Small Steps, Giant Leaps: Episode 126: Gateway: The Logistics of an Outpost at the Moon
In this episode we’ll focus on Gateway, a small space station NASA is developing to place in orbit at the Moon. We’ll speak with Mark Wiese, who leads the team that will ensure Gateway will receive the cargo, equipment, and supplies it needs to support Artemis astronauts.
Small Steps, Giant Leaps: Episode 125: Capstone Project: Artemis I Lessons Learned
Janet Karika, who retired recently from NASA after 43 years in the aerospace industry, shares career highlights and her approach to leading the Artemis I Lessons Learned process.
Small Steps, Giant Leaps: Episode 124: The Game-Changing Potential of In-Space Manufacturing
Dive deep into the world of in-space manufacturing (ISM) with our guest, Zach Courtright, the In-Space Manufacturing Portfolio Manager at NASA. Zach shares his perspectives on cutting-edge advancements and collaborations in the field and the potential of the technology for game-changing impacts on space exploration and resource utilization.
Small Steps, Giant Leaps: Episode 123: Examining Earth’s Atmosphere with NASA’s PACE Mission
Today, we look at NASA’s PACE mission, which seeks to unravel some of the mysteries of Earth’s atmosphere and the vital role played by aerosols and clouds. Join us as we delve into this fascinating journey with atmospheric scientist Dr. Kirk Knobelspiesse.
Small Steps, Giant Leaps: Episode 122: Charting New Horizons: Inside NASA's Orion Mission
In this episode, we step behind the scenes of NASA's Orion project to explore the remarkable teamwork, leadership, and communication that drive this groundbreaking endeavor. Join us as we sit down with Stu McClung, the NASA Orion Test lead, to talk about the Orion mission and the human side of space exploration.
Small Steps, Giant Leaps: Episode 121: The Artemis and Ethics Report Explained
In this episode, we chat with Dr. Zach Pirtle, a policy analyst for NASA’s Office of Technology, Policy and Strategy about NASA’s Artemis and Ethics workshop, which explored the ethical, legal, and societal implications of its Artemis and Moon to Mars missions.
Small Steps, Giant Leaps: Episode 120: Fueling Innovation: How NASA Shares Knowledge for Progress
In this episode, we sit down with Jim Rostohar, Chief Knowledge Officer for NASA's Johnson Space Center, to explore the vital role of knowledge sharing within the organization.
Small Steps, Giant Leaps: Episode 119: Rocket Propulsion Test Program
Rocket Propulsion Test Program Manager Christine Powell discusses chemical propulsion testing at NASA’s world-class facilities.
Small Steps, Giant Leaps: Episode 118: Center Innovation Fund and Early Career Initiative
NASA SpaceTech's Michael LaPointe and John Nelson discuss the Center Innovation Fund and Early Career Initiative.
Small Steps, Giant Leaps: Episode 117: NASA Trade and Technical Professionals, Part 3
NASA Marshall Space Flight Center Engineering Technicians John Hood, Amy Meekham, and Mark Sloan discuss details of their work on the Imaging X-ray Polarimetry Explorer.
Small Steps, Giant Leaps: Episode 116: NASA Trade and Technical Professionals, Part 2
NASA Technicians Scott Bartram, Eric Bentley, Maria Salinas, and Phil Steele discuss their hands-on work on a variety of projects and technologies.
Small Steps, Giant Leaps: Episode 115: NASA Trade and Technical Professionals, Part 1
NASA Armstrong Flight Research Center Engineering Technicians Jason Nelson, Kyle Whitfield, and Alex Zamora discuss their essential contributions to NASA missions.
Small Steps, Giant Leaps: Episode 114: Last Stop Before Retirement
NASA Langley Research Center Retired Chief Scientist Dennis Bushnell discusses highlights of his 60-year NASA career and the future of the agency.
Small Steps, Giant Leaps: Episode 113: OSIRIS-REx Sample Return Preparation
OSIRIS-REx Mission Systems Engineer Ron Mink discusses preparation for the return of the United States' first asteroid sample from space to Earth.
Small Steps, Giant Leaps: Episode 112: TechLeap Nighttime Precision Landing Challenge
NASA TechLeap Nighttime Precision Landing Challenge Manager Greg Peters discusses the lunar landing challenge.
Small Steps, Giant Leaps: Episode 111: Flight Opportunities
NASA Flight Opportunities Program Manager Danielle McCulloch discusses rapid demonstration of technologies and capabilities for NASA missions and commercial spaceflight.
Small Steps, Giant Leaps: Episode 109: NASA Engineering and Safety Center
NASA Engineering and Safety Center Director Tim Wilson discusses the NESC's contributions to NASA mission success.
Small Steps, Giant Leaps: Episode 108: Underwater Training for Astronauts
NASA Neutral Buoyancy Laboratory Critical Systems Engineer Jim Sarafin discusses training astronauts for spacewalks.
Small Steps, Giant Leaps: Episode 107: Perovskite Solar Cells
NASA Research Electrical Engineer Lyndsey McMillon-Brown discusses development of perovskite solar cell technology for Moon and Mars exploration.
Small Steps, Giant Leaps: Episode 106: Surface Water and Ocean Topography
Surface Water and Ocean Topography Project Manager Parag Vaze discusses the first global survey of Earth's surface water.
Small Steps, Giant Leaps: Episode 105: Samples from Mars
Mars Sample Return Deputy Lead Scientist Lindsay Hays discusses plans to bring the first samples of Mars material to Earth.
Small Steps, Giant Leaps: Episode 104: Workplace Safety Culture
NASA Administrator Bill Nelson, Deputy Administrator Pam Melroy, and Associate Administrator Bob Cabana discuss the importance of a strong safety culture.
Small Steps, Giant Leaps: Episode 103: Legacy of Inspiration
NASA Human Spaceflight Historian Jennifer Ross-Nazzal discusses how careers for women have changed over the past 50 years as the workforce has become more diverse.
Small Steps, Giant Leaps: Episode 101: Artemis Missions
Artemis Mission Manager Mike Sarafin discusses Artemis I and NASA's increasingly complex Moon to Mars missions.
Small Steps, Giant Leaps: Episode 100: NASA’s Extraordinary Workforce
NASA Deputy Administrator Pam Melroy discusses NASA's positive impact on humanity—and the people who make it happen.
Small Steps, Giant Leaps: Episode 99: Webb Space Telescope’s First Year
NASA James Webb Space Telescope Mission Systems Engineer Mike Menzel discusses highlights of the observatory's first year in space.
Small Steps, Giant Leaps: Episode 98: Voyager
Voyager Project Manager Suzanne Dodd discusses NASA's longest-operating mission and the only spacecraft to explore interstellar space.
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