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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Saving the Planet: The Apophis Mission Design Competition

Saving the Planet: The Apophis Mission Design Competition

More From JPL's Linda and Tom Spilker

More From JPL's Linda and Tom Spilker

A Cassini at Saturn Progress Report with Linda and Tom Spilker

A Cassini at Saturn Progress Report with Linda and Tom Spilker

Celebrating the MESSENGER Mercury Flyby With Sean Solomon

Celebrating the MESSENGER Mercury Flyby With Sean Solomon

Astronaut Clay Anderson: Staying In Shape In Space

Astronaut Clay Anderson: Staying In Shape In Space

Examining the Vision for Space Exploration: A Workshop Preview

Examining the Vision for Space Exploration: A Workshop Preview

MESSENGER Reveals Mercury

MESSENGER Reveals Mercury

A Near Miss for Mars and Bill Nye Pays Tribute to Mercury!

A Near Miss for Mars and Bill Nye Pays Tribute to Mercury!

A Winged MESSENGER Reaches Mercury, and Bill Nye Premieres!

A Winged MESSENGER Reaches Mercury, and Bill Nye Premieres!

A Very Good Year: Looking Back at 2007

A Very Good Year: Looking Back at 2007

Ion Engines Drive Dawn to Asteroids Vesta and Ceres

Ion Engines Drive Dawn to Asteroids Vesta and Ceres

Observing Earth: Annmarie Eldering's Eye On Our Atmosphere

Observing Earth: Annmarie Eldering's Eye On Our Atmosphere

A New Generation Looking for ET

A New Generation Looking for ET

Stardust@Home Update from Andrew Westphal

Stardust@Home Update from Andrew Westphal

Planetary Radio 5th Anniversary Show: Astronomer Geoff Marcy on Discovery of Fifth Planet in Star System

We celebrate our 5th anniversary by learning about discovery of a five-planet star system, the largest found so far. Q&A on Jupiter's red spot.

Mars Exploration Rover Program Manager John Callas

John Callas provides a status report on Spirit and Opportunity. Emily Lakdawalla is looking at brilliant Comet Holmes in her Q&A report, and Bruce Betts also makes room for Holmes in his What's Up! review of the night sky.

To Phobos and Back

To Phobos and Back

Building the J-2X Rocket Engine for the Return to the Moon

Building the J-2X Rocket Engine for the Return to the Moon

The Universe in Ultraviolet: Bill Blair on the FUSE Mission

The Universe in Ultraviolet: Bill Blair on the FUSE Mission

Mark Showalter: Unraveling the Mysteries of Planetary Rings

Mark Showalter: Unraveling the Mysteries of Planetary Rings

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