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Planetary Radio Episodes
Since 2002, Planetary Radio has visited with a scientist, engineer, project manager, advocate, or writer who provides a unique perspective on the quest for knowledge about our Solar System and beyond. The full show archive is available for free.
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Planetary Radio looks back at the biggest space exploration stories of 2025, from stunning images and major missions to hard lessons about how science moves forward. Host Sarah Al-Ahmed is joined by members of The Planetary Society’s communications team to reflect on what defined the year, and what they’re most excited to see in 2026.
The Planetary Society’s Kate Howells has written this beautifully illustrated trek among our Solar System’s most intriguing and mysterious moons.
Author David Baron has written the definitive, true story of a time when nearly everyone in America was utterly convinced there was a supremely intelligent civilization on the Red Planet, and they wanted to talk with us!
Bill Nye, CEO of The Planetary Society, celebrates his new star on the Hollywood Walk of Fame and joins us to reflect on its meaning. We also receive the latest space policy updates as NASA faces significant budget challenges.
Author and historian of science Dava Sobel talks about her many wonderful books with The Planetary Society’s Mat Kaplan. Dava recently received the Society’s Cosmos Award.
Bestselling science fiction author Andy Weir joins The Planetary Society’s Mat Kaplan for a deeply fascinating and very entertaining conversation about his #1 bestselling novel, Project Hail Mary, soon to be a major motion picture.
Former Planetary Radio host Mat Kaplan joins Space for Humanity and Zero-G for a flight that brings weightlessness and wonder to a diverse group of space dreamers. Hear voices from the flight and reflections on what it means to open space to everyone.
Dava Sobel receives The Planetary Society’s Cosmos Award for her extraordinary storytelling about science and discovery. We celebrate her work, hear from Bill Nye, and share updates on space policy and science communication.
Join us aboard the RMS Queen Mary as we celebrate 45 years of The Planetary Society at our Cosmic Shores Gala, featuring reflections from Bill Nye, Bethany Ehlmann, Jennifer Vaughn, and more.
A reported 50% cut to NASA’s science budget threatens to shut down missions, halt new discoveries, and devastate scientific space exploration. This week, we break down the fight ahead with The Planetary Society’s space policy team and explore how grassroots advocacy can help protect the future of space science.
Planetary Radio kicks off The Planetary Society's 45th anniversary year with CEO, Bill Nye.
We take you to Planetary Society headquarters, where Neil deGrasse Tyson, host of StarTalk, interviews Planetary Society CEO Bill Nye.
Newton Campbell Jr., the director of the Australian Remote Operations for Space and Earth (AROSE) Consortium, discusses his career journey, AI in space, and Australia's first lunar rover, the Roo-ver.
We explore recent solar activity and discoveries from NASA's Parker Solar Probe with Nour Rawafi, the mission's project scientist.
This week on Planetary Radio we take a trip to The Planetary Society’s Eclipse-O-Rama festival in Fredericksburg, Texas, where hundreds gathered to witness the April 8 total solar eclipse.
Twenty years after a pioneering collaboration between The Planetary Society, NASA, and LEGO, Planetary Radio reflects on the Red Rover Goes to Mars program and the lives it impacted.
The InSight RISE instrument's principal investigator, Sebastien Le Maistre, from the Royal Observatory of Belgium, joins Planetary Radio to discuss Mars' increased rotation speed.
We celebrate NASA’s OSIRIS-REx mission’s successful return of samples from asteroid Bennu to Earth on this week’s episode of Planetary Radio.
Louis Friedman, one of the three co-founders of The Planetary Society, joins Planetary Radio to discuss his new book, Alone but Not Lonely: Exploring for Extraterrestrial Life.
The second round awardees in a Planetary Society grant program will explore extreme life in super-salty lakes, and study how future Martians will grow their own food.