Explore Worlds
Find Life
Defend Earth
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.
Search Planetary Radio
Water on the Moon!
Amanda Hendrix looks for and studies water in our solar system, where it has been found in surprising locales. Earth's moon, for instance. She talks about Luna’s ice and the weathering of its ancient surface.