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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Europa’s quiet seafloor

New research suggests the seafloor beneath Europa’s vast ocean may be geologically quiet today, reshaping how scientists think about habitability on one of the Solar System’s most intriguing ocean worlds. Planetary geologist Paul Byrne of Washington University in St. Louis joins Planetary Radio to discuss.