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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Kindred Spirits: Alison Gibbings and Carolyn Shoemaker at the Planetary Defense Conference

Our special coverage of the PDC continues with two planetary scientists separated by almost 60 years in age, but with similar dedication and enthusiasm for saving the planet.

Basics of Interplanetary Flight With Dave Doody

JPL’s Dave Doody doesn’t just fly around the solar system, he teaches others how it's done. We talk about what students learn in his non-technical class, the Basics of Interplanetary Flight.

Remembering Neil Armstrong/ChemCam is Zapping Martian Rocks!

Emily Lakdawalla and Bill Nye the Science Guy join Mat Kaplan for a special remembrance of Neil Armstrong. Then we visit with the principal investigator for the first ray gun on Mars. Roger Wiens leads the ChemCam team that is using its powerful laser to zap and analyze Martian rocks. It’s just one of the Curiosity Rover success stories. Win a ChemCam bumper sticker and a Planetary Radio t-shirt in the weekly What’s Up space trivia contest!

The Pioneer Anomaly... Solved!

After decades of mystery and investigation, after the recovery of gigabyte after gigabyte of data stored in obsolete computer formats, the whatdunit surrounding Pioneers 10 and 11 has finally reached its conclusion.

SETI Scientist Jill Tarter Continues the Search

The Director of the Center for SETI Research is thrilled to have the Allen Telescope Array back in the hunt for extraterrestrial intelligence. She also tells us about SETILive.

Voyager 1 at the Edge of the Solar System, With Ed Stone

Voyager 1 at the Edge of the Solar System, With Ed Stone

A Conversation with Elon Musk of SpaceX

A Conversation with Elon Musk of SpaceX

Cosmos 1: Solar Sail Special Report

Cosmos 1: Solar Sail Special Report

Solar Sail Countdown

Solar Sail Countdown

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