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For every week 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. We also showcase regular features that raise your space IQ while they put a smile on your face.

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A Great Space Observatory Goes Dark: The Legacy of Spitzer

February 05, 2020 • 1:24:58

Leaders of the just-ended Spitzer Space Telescope mission help us celebrate sixteen years of discoveries about our solar system, exoplanets and galaxies nearly as old as the universe itself.

Live at the Planetary Defense Conference!

April 22, 2013 • 28:50

Planetary Radio host Mat Kaplan joined Bill Nye and four passionate planetary explorers on stage at the Planetary Defense Conference in Flagstaff, Arizona.

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