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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An Encore for Sir Arthur and Another New Extrasolar Planet

An Encore for Sir Arthur and Another New Extrasolar Planet

Bill Nye the Science Guy and Sandy Moondust!

Bill Nye the Science Guy and Sandy Moondust!

Joy Crisp is On Her Way to Mars

Joy Crisp is On Her Way to Mars

Society President Wes Huntress and a Little Guy Named Biff

Society President Wes Huntress and a Little Guy Named Biff

High Flyin', Cave Divin' Planetary Science with Dan Durda

High Flyin', Cave Divin' Planetary Science with Dan Durda

Phil Christensen Explores Mars in the Infrared

Phil Christensen Explores Mars in the Infrared

Journey to the Center of the Earth!

Journey to the Center of the Earth!

Getting a Rover's-Eye View of Mars

Hear excerpts of the Mars Exploration Rover imaging team lead Jim Bell's presentation last week at Planetary Society headquarters; Emily looks for life on the moon, while Bruce Betts says to get ready for this week's lunar eclipse!

Columbia Experiment Recovered!

Columbia Experiment Recovered!

Looking Back: Jurrie van der Woude's 37 years at JPL

Looking Back: Jurrie van der Woude's 37 years at JPL

Return to Mars: Two Rover Landing Sites Chosen

Matt Golombek tells us about the Mars Exploration Rover landing site selection process and the exciting destinations just chosen. What objects hold the solar system's speed record? We'll find out from Emily.

A Microphone on Mars?

What would you sound like on Mars? Berkeley researcher Greg Delory and the Planetary Society have developed the Mars Microphone, so that we can find out.

Deep Space 1 / ET Phones Home!

Deep Space 1 / ET Phones Home!

Masters of Science Fiction

Masters of Science Fiction

A Visit With Sir Arthur C. Clarke

A Visit With Sir Arthur C. Clarke

[email protected] Aims Arecibo at the Best ET Candidates

[email protected] Aims Arecibo at the Best ET Candidates

Life in the Extreme

Life in the Extreme

Cool Science: Ice on Europa and Mars

Cool Science: Ice on Europa and Mars

The Volcanoes of Io

The Volcanoes of Io

Optical SETI Has an Eye for Extraterrestrial Messages

Optical SETI Has an Eye for Extraterrestrial Messages

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