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Planetary Radio
HD 1: Sat @ 6AM-6:30AM & Sun @ 6AM-6:30AM

Each week, Planetary Radio visits with a scientist, engineer, project manager, astronaut, advocate or writer who provides a unique and exciting perspective on the exploration of our solar system and beyond. We also showcase regular features that raise your space IQ while they put a smile on your face. Host Mat Kaplan is joined by Planetary Society colleagues Bill Nye the Science Guy, Bruce Betts, and Emily Lakdawalla.

HD 1: Sat @ 6AM-6:30AM & Sun @ 6AM-6:30AM
HD 2: Sat 5:30PM-6PM

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  • On April 8, 2024, a total solar eclipse will sweep across North America. Ron Benner, the President of the American Optometric Association, joins Planetary Radio to share safety tips to protect your eyes during partiality. Then, astrophotographer Andrew McCarthy gives helpful advice about observing solar eclipses using telescopes and cameras. We close the show with our chief scientist, Bruce Betts, as he discusses The Planetary Society's new eclipse book for kids, "Casting Shadows," and the upcoming Eclipse-O-Rama festival in Texas, U.S.A. Discover more at: https://www.planetary.org/planetary-radio/2024-eclipse-tipsSee omnystudio.com/listener for privacy information.
  • Behind every space mission is a tale of hard work, love, and perseverance. Dante Lauretta, the principal investigator for NASA's OSIRIS-REx mission, joins Planetary Radio to share stories from his new book, "The Asteroid Hunter." Then Bruce Betts, the chief scientist of The Planetary Society, looks back at the Shoemaker-Levy 9 impact on Jupiter and answers a question from our audience in What's Up. Discover more at: https://www.planetary.org/planetary-radio/2024-the-asteroid-hunterSee omnystudio.com/listener for privacy information.
  • The countdown is on! With less than a month until the total solar eclipse on April 8, 2024, Planetary Radio is buzzing with anticipation. This celestial event will sweep across Mexico, the United States, and Canada, promising a spectacular view to millions. Jim Bell, a professor from the School of Earth and Space Exploration at Arizona State University and former president of The Planetary Society's Board of Directors, will share captivating tales from his global eclipse-chasing journeys. But before diving into the cosmic wonders, we'll bring you the latest updates on the proposed US Presidential Budget. The Planetary Society's space policy experts, Casey Dreier and Jack Kiraly, will explain what this budget proposal means for NASA's funding and future projects. Then, the great Bruce Betts will pop in for What's Up as host Sarah Al-Ahmed looks forward to high-fiving him in person at The Planetary Society's upcoming Eclipse-O-Rama event in Texas, U.S. Discover more at: https://www.planetary.org/planetary-radio/2024-eclipse-chasingSee omnystudio.com/listener for privacy information.
  • A team co-led by the Southwest Research Institute has made a groundbreaking discovery, revealing evidence of hydrothermal or metamorphic activity on the icy dwarf planets Eris and Makemake in the Kuiper Belt. The lead author of this research, Chris Glein, joins Planetary Radio to explain. But our journey doesn't stop there. We dive into the newly reformed US Planetary Science Caucus with The Planetary Society's top space policy experts, Casey Dreier and Jack Kiraly. Our senior communications adviser, Mat Kaplan, celebrates a monumental achievement in space exploration — the successful landing of Intuitive Machine's Odysseus spacecraft on the lunar surface. And don't miss the latest installment of What's Up with Bruce Betts, our chief scientist, as he shares a new random space fact. Discover more at: https://www.planetary.org/planetary-radio/2024-eris-and-makemakeSee omnystudio.com/listener for privacy information.
  • The successful landing of IM-1 on the Moon ushered in a new era of commercial lunar exploration, one that has little to no historical precedent. The future, still highly uncertain, is rich with promise for what commercial payload deliveries can provide. There will be new and more frequent science opportunities, lower-cost access for national and non-state actors, and, potentially, a path to a sustainable presence on the lunar surface. Dr. Matt Shindell, science historian and curator of the planetary exploration collection at the Smithsonian Institution, joins the show to discuss the unique historical moment we find ourselves in, and how planetary exploration has evolved and could continue to evolve on and around the Moon. Discover more at: https://www.planetary.org/planetary-radio/ahistorical-era-of-clpsSee omnystudio.com/listener for privacy information.
  • Over two decades ago, an innovative partnership between The Planetary Society, NASA, and LEGO created the Red Rover Goes to Mars program. Today, we reflect on the program's remarkable achievements with our chief scientist, Bruce Betts. We're also joined by two extraordinary people whose lives were forever changed by their experiences as student astronauts in the program during their high school years. Courtney Dressing, an associate professor in the Department of Astronomy at the University of California, Berkeley, and Abigail Fraeman, the deputy project scientist for NASA's Curiosity Rover at the Jet Propulsion Laboratory, share their inspiring journeys through the program and beyond. Then Bruce Betts returns to share more of LEGO's involvement in space exploration and a new random space fact. Discover more at: https://www.planetary.org/planetary-radio/2024-red-rover-goes-to-marsSee omnystudio.com/listener for privacy information.
  • After NASA's OSIRIS-REx spacecraft's successful sample retrieval from asteroid Bennu, it's onto its next adventure as OSIRIS-APEX, the Apophis Explorer. Scott Guzewich, deputy project scientist for APEX, joins Planetary Radio to discuss the next steps for the mission as we count down to asteroid Apophis’ flyby of Earth in 2029. Then Bruce Betts, The Planetary Society’s chief scientist, pops in for What's Up and a look at other multi-world missions. Discover more at: https://www.planetary.org/planetary-radio/2024-osiris-apex See omnystudio.com/listener for privacy information.
  • This week on Planetary Radio, we take a peek behind the scenes at National Geographic's new documentary, “The Space Race,” which celebrates the triumphs and struggles of the first African-American space pioneers and astronauts. Co-directors Diego Hurtado de Mendoza and Lisa Cortés, space pioneer Ed Dwight, and astronaut Leland Melvin join us to discuss the film. But first, Casey Dreier, The Planetary Society's chief of space policy, and Jack Kiraly, our director of government relations, give an update on the U.S. budget gridlock that caused the recent layoff of hundreds of people at NASA's Jet Propulsion Laboratory. Twitch streamer Moohoodles joins the show later to talk about her upcoming stream with Planetary Radio, and we close out with What's Up with Bruce Betts and a new random space fact. Discover more at: https://www.planetary.org/planetary-radio/2024-space-raceSee omnystudio.com/listener for privacy information.
  • This week on Planetary Radio, we delve into the evolution of humanity's relationship with one of our planet's most awe-inspiring phenomena: total solar eclipses. Ed Krupp, the director of Griffith Observatory in Los Angeles, will share insights from the fascinating field of archaeoastronomy. We'll explore how cultures throughout history have interpreted and imbued solar eclipses with meaning. We'll also introduce The Planetary Society's latest addition, Asa Stahl, our new science editor. Then Bruce Betts, The Planetary Society's chief scientist, shares a new random space fact and his experience with historic astronomical sites. Discover more at: https://www.planetary.org/planetary-radio/2024-solar-eclipses-through-time See omnystudio.com/listener for privacy information.
  • It’s a policy paper episode! Laura Delgado López joins the show to break down “Clearing the Fog: The Grey Zones of Space Governance” by Jessica West and Jordan Miller. Grey zones are harmful or disruptive space activities that fall short of provoking a military response — ideally. But the ambiguity, by its nature, could generate unplanned escalation and conflict. What are these grey zones, and why do they exist? What are their consequences to humanity, even for those in nations not actively pursuing spaceflight? And by what means can we reduce the uncertainty and, therefore the risk to space operations at Earth and beyond? Laura Delgado López has worked in space policy in the Washington, D.C., area for nearly 15 years and is currently a visiting fellow with the Americas Program at the Center for Strategic and International Studies (CSIS), where she researches and writes on international space cooperation in Latin America. She selected this episode’s paper, which can be accessed for free at the Centre for International Governance Innovation’s website.Discover more at: https://www.planetary.org/planetary-radio/grey-zones-in-space-governance See omnystudio.com/listener for privacy information.