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

More Moon Water and an Update from Venus on Our 18th Anniversary!

Astronomer Jane Greaves returns with an update on the phosphine gas floating above Venus, before Casey Honnibal takes us through her team’s discovery of water right out under the Sun on Earth’s Moon.

Sampling an Asteroid and Searching for Life in Venus' Clouds

The OSIRIS-REx spacecraft appears to have collected its first sample from asteroid Bennu, while a team led by Jane Greaves has discovered what could be evidence of life in the clouds of Venus.

Have We Found Evidence of Life on Venus?

It could be a profound and historic discovery made on Earth’s nearest planetary neighbor.