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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.
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Former NASA chief economist Akhil Rao explains why NASA needs economic expertise to navigate the complex — and often misunderstood — market forces that will determine the success or failure of its private partnerships.
The Fiscal Year 2026 congressional budget justification for NASA could mark the beginning of a dark age for NASA science. We examine what’s at stake and how you can help advocate for NASA’s future.
The space sector is data-rich but insight-poor. Jack Kuhr of Payload talks about how he turns raw numbers into real narratives.
Joanne Higgins joins Planetary Radio to share the untold stories of Black engineers who helped make the Apollo program possible. We explore their legacy, the challenges they faced, and how their stories can inspire a more inclusive future in space.
Marcia Smith, founder of Space Policy Online, joins the show to discuss the motivations and risks of pursuing change at NASA - and how much change can ultimately happen with Congress holding the purse strings.
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.
Darby Dyar, the deputy principal investigator for NASA’s VERITAS mission to Venus, returns triumphantly to Planetary Radio to share the story of how space advocates helped save this mission.
We share a conversation from the Humans to Mars Summit about integrating NASA and its partners as humanity looks to build a permanent and sustainable human presence on Mars.
Sabine Stanley, author of the new book "What's Hidden Inside Planets?", discusses some of the amazing things that lie under the surfaces of the worlds in our Solar System.
Though the Space Shuttle program lasted 30 years and built the ISS, it fell short of NASA's goals for cost, reusability, and reliability. Can a program be both a worldly success and a policy failure? In this Space Policy Edition, we dissect a classic space policy paper and debate its relevance today.
Steven Smith, an Education Specialist from NASA's Science, Technology, Engineering, and Mathematics (or STEM) Program, joins Planetary Radio to share some of the unique opportunities available for students in the lead-up to humanity's return to the Moon.
Scott Pace, the prior executive secretary of the National Space Council, discusses why Artemis is of strategic value to U.S. national interests — and why the Moon is unique as a destination to drive global space exploration.
Join us as we celebrate the accomplishments of a truly inspiring space mission - the United Arab Emirates' Hope probe, which has spent two amazing years orbiting Mars!
Jeremy Graeber, the assistant launch director at Kennedy Space Center in Florida, joins Planetary Radio to recount his experience on the night of Artemis I’s historic launch.
For his last episode as host, Mat Kaplan welcomes many of his Planetary Society colleagues for a review of a spectacular year of space exploration.
Host Mat Kaplan greets the Orion capsule that has just returned from the Moon, and then presents some of the best of Planetary Radio’s 20 years.
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.
Former NASA deputy administrator Lori Garver returns for a deep conversation with Casey Dreier about her fight to turn the agency toward commercial partnerships and away from the expensive Constellation program.