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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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Bill Nye, CEO of The Planetary Society, celebrates his new star on the Hollywood Walk of Fame and joins us to reflect on its meaning. We also receive the latest space policy updates as NASA faces significant budget challenges.
New Horizons Principal Investigator Alan Stern joins us to celebrate the Pluto flyby’s 10th anniversary, with updates from planetary scientist Adeene Denton and Planetary Society Director of Government Relations Jack Kiraly. Plus, a look at Arrokoth in What’s Up with Bruce Betts.
Alicia Brown from the Commercial Space Federation and Brittany Webster from the American Geophysical Union join the show to discuss NASA’s fiscal year 2026 budget proposal.
The Giant Magellan Telescope advances toward construction with support from the National Science Foundation. Dr. Rebecca Bernstein joins us to explore how this groundbreaking observatory will transform our view of the universe.
Dava Sobel receives The Planetary Society’s Cosmos Award for her extraordinary storytelling about science and discovery. We celebrate her work, hear from Bill Nye, and share updates on space policy and science communication.
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.
We tackle the biggest questions about NASA's value, space exploration, and why public investment matters. Join us for a Q&A with Casey Dreier and Ambre Trujillo, and a space policy update with Jack Kiraly.
Explore the atmosphere of TOI-270 d with planetary geochemist Chris Glein as he unravels the secrets of this distant sub-Neptune using JWST data and geochemical modeling.
No one person knows how to build a spaceship. What happens to NASA’s collective knowledge when thousands of employees lose their jobs?
Astrokobi joins Sarah Al-Ahmed to explore the rise of a new generation of space communicators. Plus, updates on NASA’s science budget and the confirmation process for the next NASA administrator.
NASA's science programs face a proposed 47% budget cut. We break down what's at risk and how you can take action to help protect space exploration.
The space sector is data-rich but insight-poor. Jack Kuhr of Payload talks about how he turns raw numbers into real narratives.
Join Sarah Al-Ahmed and Casey Dreier for a special live recording of Planetary Radio at the Johns Hopkins University Bloomberg Center in Washington, D.C., immediately following The Planetary Society’s Day of Action.
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.
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.
Norm Augustine, the distinguished aerospace industry veteran behind numerous influential studies, joins the show to discuss NASA at a Crossroads, the new report that raises alarm bells for NASA’s workforce, infrastructure, and technology capabilities.
Space expert Lori Garver joins the show to explore Kamala Harris’ space policy priorities, the major issues facing NASA in the next four years, and Garver’s thoughts on the evolution of Elon Musk and NASA’s increasing reliance on the commercial space industry.
Dr. Greg Autry, who served on Trump’s NASA transition team in 2016 and was nominated for the position of NASA CFO in 2020, joins the show to discuss the space policy issues facing a potential second Trump administration in 2025.
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.
This week on Planetary Radio, we'll share what happened during this year's Day of Action and why it matters.