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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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The delightful astrophysicist and science communicator Adam Frank shares his thoughts about the search for life and intelligence across the Universe in the Planetary Society’s member book club.
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.
Mat Kaplan brings us to USC for the 2025 Mars Society Convention, where leaders in science, engineering, AI, biology, architecture, and advocacy share bold visions for humanity’s future on Mars.
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!
Space Craze author Margaret Weitekamp of the National Air and Space Museum documents our fascination with all things space, as evidenced by the pop culture artifacts she lovingly oversees in the collection.
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.
Frank White is the author of “The Overview Effect: Space Exploration and Human Evolution. “ Now in its fourth edition, the book has crystallized and expanded on the profound sense of wonder and oneness experienced by nearly all astronauts.
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.
Highlights from the 2025 Humans to the Moon and Mars Summit explore why space science is a vital national interest for the United States and how the Artemis Accords are shaping international collaboration in deep space.
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.
We explore bold ideas from the Mars Innovation Workshop and uncover why NASA’s decision to dissolve key advisory offices is raising concerns across the space community.
We celebrate Ed Stone’s lasting legacy with the unveiling of the Dr. Edward Stone Exploration Trail at JPL.
The Planetary Society team reviews the best space moments of 2024, from the China National Space Administration's return of samples from the far side of the Moon to the triumphant launch of NASA's Europa Clipper mission.
The Planetary Society and space advocates around the world fought to make Europa Clipper a reality. This week, we learn more about the tumultuous history of the mission with Casey Dreier, The Planetary Society’s chief of space policy.
With less than two months to go until the highly anticipated launch of NASA's Europa Clipper mission, we take a look back at over twenty years of Planetary Radio episodes about Jupiter's most intriguing moon.
Get up to speed on the latest in commercial space news and look forward to the European Space Agency’s Ramses mission to Apophis with members of The Planetary Society team.
Planetary Radio takes a melodic adventure to the Ravinia Festival in Illinois, USA, for the public premiere of the "Moons Symphony."
We dive into the stunning variety of exoplanets beyond our Solar System with Jessie Christiansen, the project scientist for the NASA Exoplanet Archive.