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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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Uranus and Neptune Take Center Stage With Heidi Hammel
NASA Administrator Michael Griffin, and Your Ticket to Space
Lou Friedman on China's Rising Star in Space
One Martian year of Spirit and Opportunity on Mars with Jim Bell, Cornell University; Q and A on a crusty moon; special trivia contest prize.
New Horizons PI Alan Stern on the mission to Pluto, and discovery of 2 new moons. Q&A: movies from rocket launches. New trivia contest.
The Planetary Society celebrates 25 years with 300 close friends, including Ray Bradbury and Bill Nye. Also, a new What's Up space trivia contest.
Steve Wall, deputy leader of the Cassini RADAR team, on new images of Huygens' landing site and a shoreline. Asteroids on Q&A, new What's Up Contest.
Dava Sobel has just written The Planets. Not a drop of water on Jupiter's moon Io in Q and A, space headlines, and Mars comes close.
The beloved author, poet and visionary is back to talk about his inspirations, the romance of space exploration, and much more. Q&A on the biggest object in the Kuiper Belt, and a new space trivia contest on What's Up.
Venus Express Project Scientist Håkan Svedhem talks about the first mission to the mysterious planet in more than a decade. Q&A on Jupiter's Great Red Spot and other storms. What's Up announces TWO new space contests.
Swift satellite principal investigator Neil Gehrels on what causes the universe's biggest explosions. Q&A on the rings of Saturn, and a new space trivia contest during our What's Up segment about the night sky and more.
The Spaceward Foundation is about to host the first Space Elevator Games. Founder Ben Shelef talks about this and other projects. Q&A on where to look for life in our solar system and a new What's Up space trivia quiz.
NASA's Jim Garvin comments on the agency's just announced plans for human exploration and new spacecraft. Also Lou Friedman, Q&A on craters throughout the solar system, and Bruce Betts with a new What's Up contest.
Project Manger Junichiro Kawaguchi celebrates the arrival at asteroid Itokawa, with further insights provided by former JPL Director Bruce Murray. Q&A on ice volcanoes, and a new trivia contest on What's Up.
MRO Project Manager Jim Graf and Project Scientist Rich Zurek introduce us to their powerful new spacecraft. Running out of big Near Earth Objects on Q&A, and we get Lost In Space
The Pioneer Anomaly: A Mystery in Deep Space
Amateur Astronomy: Do It Yourself Space Exploration
A Tour of the Solar System With Bill Hartmann
Mike Brown, Discoverer of 2003 UB313...Planet 10?
Author and Four-Time Shuttle Astronaut Tom Jones