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
Join us for a tour of the University of Arizona’s Mirror Lab where they use a giant, spinning oven filled with molten glass to create the primary mirrors for the Giant Magellan Telescope.
Cassini Mission Project Scientist Linda Spilker has now taken on the same job for the Voyager Interstellar Mission.
Bethany Johns of the American Astronomical Society talks with Planetary Society Chief Advocate Casey Dreier about how changes in Washington after the midterm elections may affect support for science.
Celebrate Carl Sagan’s birthday with his longtime collaborator and life partner Ann Druyan.
A special Space Policy Edition featuring a recent policy and advocacy webcast that gave Planetary Society members the opportunity to query Chief Advocate Casey Dreier and Society CEO Bill Nye.
The Double Asteroid Redirection Test was a brilliant success. The leaders of NASA’s Planetary Defense Coordination Office tell us what’s next in the quest to protect Earth.
20 years after its creation, Mat Kaplan is ready to introduce the great new host of Planetary Radio. We also join an assembly of astrophysicists as they toast each other and the cosmos.
Meet leaders of two of the most successful Earth-based searches for asteroids, including many that could threaten Earth.
Join us at the 2022 NASA Innovative Advanced Concepts (NIAC) Symposium for a taste of projects that just might change the world.
Director of SOFIA Science Mission Operations Margaret Meixner joins us to lament the end of the giant flying observatory and to celebrate its tremendous successes.
Listen as the Double Asteroid Redirection Test spacecraft closes in on asteroid Dimorphos, followed by a triumphant conversation with DART Coordination Lead Nancy Chabot, and a visit with space image processor Judy Schmidt.
The DART spacecraft’s impact on asteroid moonlet Dimorphos is days away, so we’ll check in with Mission Coordination Lead Nancy Chabot as well as Simone Pirrotta, program manager for the LICIACube probe that will be watching the smackdown.
Leaders of several major, international space agencies talked with host Mat Kaplan during the first attempt to launch the Artemis 1 Moon mission.
Join Mat Kaplan and Planetary Society colleagues in Florida for the first attempt to launch the Space Launch System rocket on a mission to the Moon.
Former NASA Associate Administrator Mike Gold shepherded the Artemis Accords, a set of bilateral agreements for collaboration in human space exploration. Casey Dreier spoke with him in Florida as we awaited the launch of Artemis 1.
It’s a party for Voyager and the team of scientists, engineers and others who have followed it across our Solar System. Then we’ll visit with Ann Druyan, creative director for the Voyager Golden Record.
Getting precious Mars rocks into Earthbound labs is an unprecedented challenge. We'll learn how a lander, a rocket, a big solar-powered transfer vehicle and two helicopters will take on this task.
Delightful astronomer Jane Greaves is back with the latest evidence for phosphine gas in the atmosphere of Venus.
Scientists have found a menagerie of complex organic compounds on the comet visited by the Rosetta spacecraft that connect it with the birth of our solar system.
Scientists need your help identifying clouds high above the surface of the red planet. The goal is to figure out where Mars’ water went.