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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Phoenix Mars Lander Update: Taste the Water!

An exciting update from the Phoenix Mars Lander team, with further insights from Emily Lakdawalla. Bill Nye also celebrates Phoenix.

Billions and Billions of Earthlike Planets?

Billions and Billions of Earthlike Planets?