Explore Worlds
Find Life
Defend Earth
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.
Search Planetary Radio
Planetary Radio looks back at the biggest space exploration stories of 2025, from stunning images and major missions to hard lessons about how science moves forward. Host Sarah Al-Ahmed is joined by members of The Planetary Society’s communications team to reflect on what defined the year, and what they’re most excited to see in 2026.
A reported 50% cut to NASA’s science budget threatens to shut down missions, halt new discoveries, and devastate scientific space exploration. This week, we break down the fight ahead with The Planetary Society’s space policy team and explore how grassroots advocacy can help protect the future of space science.
The Planetary Society team reviews the best space moments of 2024, from the China National Space Administration's return of samples from the far side of the Moon to the triumphant launch of NASA's Europa Clipper mission.
Get up to speed on the latest in commercial space news and look forward to the European Space Agency’s Ramses mission to Apophis with members of The Planetary Society team.
We dive into the stunning variety of exoplanets beyond our Solar System with Jessie Christiansen, the project scientist for the NASA Exoplanet Archive.
RadioLab's Latif Nasser returns to Planetary Radio with a new public naming contest for a quasi-moon of Earth.
Planetary Radio marks its last show before the Apr. 8 total solar eclipse with a look back at discoveries made during totality.
Ed Krupp, the director of Griffith Observatory in Los Angeles, shares insights from the fascinating field of archaeoastronomy.