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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Charley Kohlhase: Engineer, Artist, Cassini Mission Designer

Charley Kohlhase: Engineer, Artist, Cassini Mission Designer

Ray Bradbury Returns!

Ray Bradbury Returns!

Magnets Roving on Mars

This week we hear about the strategically located magnets on the Mars Exploration Rovers and how are telling us more about the red planet.

Celebrate With The Mars Exploration Rover Team

With lots to celebrate, The Planetary Society threw a party for the scientists and engineers who have made Spirit and Opportunity such amazing successes, and you're invited!

Life on Mars...and Earth

We visit Harvard biologist Andrew Knoll for a conversation about finding life on the red planet. Emily Lakdawalla is seeing red on another of Earth's neighbors, and Bruce Betts spins a tale of Death Stars, cockroaches and trivia contests on What's Up!

A Salty Sea on Mars

A Salty Sea on Mars

Far Out Sedna

Far Out Sedna

Defending Earth From Asteroids

Defending Earth From Asteroids

Confirmed: Water Was on Mars!

Confirmed: Water Was on Mars!

Jim Bell, The Pancam Man!

Planetary Radio talks with the developer of the Pancam on the Mars Exploration Rovers, Jim Bell. We also feature the last pair of Student Astronauts, and another visit with Astrobots Biff Starling and Sandy Moondust.

RATs, Astrobots, and a Six Iron on the Moon!

RATs, Astrobots, and a Six Iron on the Moon!

Stardust Status Report

Stardust Status Report

The Astrobots are Back on Our Show!

After a long hiatus, Biff Starling and Sandy Moondust return to the air. You'll also hear from Mars Exploration Rover Entry, Descent and Landing Chief Engineer Wayne Lee, and from two more of the Student Astronauts.

Mars Exploration Rover Flight Director Chris Lewicki

Opportunity is on a roll and Spirit is almost back to full health as we visit with the young Flight Director for the mission. We also hear from two more of the Student Astronauts.

The First Student Astronauts Arrive

The First Student Astronauts Arrive

Spirit Lands on Mars!

Follow the incredibly exciting and finally triumphant arrival on Mars of the Mars Exploration Rover as it happened at Wild About Mars, the Planetary Society's big weekend event at the Pasadena Convention Center.

Columbia's Aftermath: "Butterfly on a Bullet"

Columbia's Aftermath: Butterfly on a Bullet

Steve Squyres Is Ready for Mars

Doctor Steven Squyres talks about the challenges, human and robotic, facing the Mars Exploration Rover mission; Emily Lakdawalla is watching for shooting stars...on Mars, and Bruce Betts and Mat Kaplan attend the Planetary Society's holiday party.

Mars Exploration Rover Update

Planetary Radio gets a Mars Exploration Rover status report from Deputy Project Scientist, Dr. Albert Haldemann; Emily Lakdawalla can tell how old a planet is from its surface.

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