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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Stardust-NExT Encounters Comet Tempel 1

Jessica Sunshine returns to talk about the flyby of comet Tempel 1 by Stardust-NExT. She is joined by Emily Lakdawalla and Mat Kaplan.

Astounding Comet Hartley 2

Astounding Comet Hartley 2

Water on the Moon!

Water on the Moon!

Still Making a Deep Impact, with Jessica Sunshine

Still Making a Deep Impact, with Jessica Sunshine