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
We celebrate our 5th anniversary by learning about discovery of a five-planet star system, the largest found so far. Q&A on Jupiter's red spot.
The Most Earthlike Extrasolar Planet Yet -- A Conversation With Co-Discoverer Stephane Udry
A Planetary System That Looks Like Home
By the Light of a New World
Billions of Earths?
Hunting for Extrasolar Planets
An Encore for Sir Arthur and Another New Extrasolar Planet
100 Extrasolar Planet Candidates...and Counting!