
Planetary Radio: Space Exploration, Astronomy and Science
Planetary Radio brings you the human adventure across our Solar System and beyond. We visit each week with the scientists, engineers, leaders, advocates, and astronauts who are taking us across the final frontier. Regular features raise your space IQ while they put a smile on your face. Join host Sarah Al-Ahmed and Planetary Society colleagues including Bill Nye the Science Guy and Bruce Betts as they dive deep into space science and exploration. The monthly Space Policy Edition takes you inside the DC beltway where the future of the US space program hangs in the balance. Visit planetary.org/radio for an episode guide and much more.
Latest episodes

Dec 4, 2024 • 60min
A hundred weeks in space exploration
Sarah Al-Ahmed, the host of Planetary Radio, marks her 100th episode with a look back at the defining moments of the past 100 weeks of space exploration. We'll revisit previous Planetary Radio interviews, including the launch of ESA's Juice mission to the icy moons of Jupiter with project scientist Olivier Witasse. Danny Glavin, the co-investigator for NASA's OSIRIS-REx, shares his thoughts after the triumphant return of samples from asteroid Bennu. Lindy Elkins-Tanton, principal investigator for NASA's Psyche mission, reflects on her team's mission to explore a metallic asteroid. Then, Bob Pappalardo, project scientist for Europa Clipper, discusses the mission's intense brush with Hurricane Milton before blasting off to unlock the secrets of a potentially habitable ocean world. We close out the show with Bruce Betts, the chief scientist of The Planetary Society, for What's Up. Discover more at: https://www.planetary.org/planetary-radio/2024-one-hundred-weeks See omnystudio.com/listener for privacy information.

Nov 27, 2024 • 55min
Seven worlds, one mission: The United Arab Emirates aims for the asteroid belt
The United Arab Emirates Space Agency is working on its next ambitious spacecraft, the Emirates Mission to the Asteroid Belt. It will visit seven asteroids, ultimately rendezvousing with Justitia, the reddest object in the main asteroid belt. We'll get an update on their team's progress from Mohsen Al Awadhi and Hoor Al Hazmi, the director and science team lead for the Emirates Mission to the Asteroid Belt. Then, our chief scientist at The Planetary Society, Bruce Betts, joins host Sarah Al-Ahmed for What's Up and a new random space fact. Discover more at: https://www.planetary.org/planetary-radio/2024-uae-asteroid-belt See omnystudio.com/listener for privacy information.

5 snips
Nov 20, 2024 • 60min
What does the U.S. election mean for NASA?
Casey Dreyer, Chief of Space Policy at The Planetary Society, discusses the implications of the recent U.S. elections on NASA’s funding and priorities. Jack Kiraly, Director of Government Relations, shares insights on budget cuts leading to layoffs at NASA's Jet Propulsion Laboratory. They highlight the need for strong advocacy and grassroots engagement to support space science funding amidst political changes. The conversation also delves into the interplay between political dynamics and NASA's future, stressing the significance of bipartisan cooperation for ongoing space exploration.

Nov 13, 2024 • 1h 2min
EELS: AI-enabled snake robots and the search for life on Enceladus
Morgan Cable and Hiro Ono from NASA's Jet Propulsion Laboratory join Planetary Radio to discuss the Exobiology Extant Life Surveyor (EELS) robot concept, a snake-like AI-enabled device designed to navigate the vents of Enceladus. This technology could tell us more about the habitability of Enceladus' subsurface ocean. But first, Kate Howells, The Planetary Society's public education specialist, shares how you can participate in The Planetary Society Best of 2024 Awards. Stay tuned for Bruce Betts, our chief scientist, for What's Up and a new Random Space Fact about Enceladus. Discover more at: https://www.planetary.org/planetary-radio/2024-eels See omnystudio.com/listener for privacy information.

Nov 6, 2024 • 58min
Spaceport Nova Scotia
Spaceport Nova Scotia, Canada’s first commercial launch site, represents a significant step forward for the Canadian space industry. This week, we learn what this spaceport can do for the country's exploratory aspirations and international cooperation with Steve Matier and Sasha Jacob, the CEO and Chairman of Maritime Launch Services. Then Bruce Betts joins me for What's Up and a new random space fact. Discover more at: https://www.planetary.org/planetary-radio/2024-spaceport-nova-scotiaSee omnystudio.com/listener for privacy information.

Nov 1, 2024 • 56min
Space Policy Edition: NASA at a Crossroads
Norm Augustine, an aerospace industry veteran and chair of key studies on space policy, discusses alarming findings from the 'NASA at a Crossroads' report. He highlights NASA's workforce and infrastructure challenges and its struggle to compete with commercial space firms. Augustine emphasizes the urgent need for strategic long-term investments to revitalize NASA's capabilities. The conversation explores how budget cuts and management restructuring jeopardize mission goals, necessitating a renewed focus on sustainable planning and technological advancements.

Oct 30, 2024 • 57min
Splat or subsurface ocean? The mysterious positioning of Pluto’s heart
In this engaging discussion, Adeene Denton, a research scientist specializing in giant impacts, shares her insights into the mysterious heart-shaped feature of Pluto. The conversation explores whether Sputnik Planitia might hide a subsurface ocean beneath its icy surface. Denton elaborates on the intriguing role of oblique impacts in planetary formation and how they shape geological features. The talk is complemented by Bruce Betts, who rounds up the significant impacts across our Solar System, leaving listeners fascinated by the complexities of Pluto and beyond.

Oct 23, 2024 • 55min
Europa Clipper blasts off: How the mission team weathered Hurricane Milton
NASA's Europa Clipper mission launched on Monday, Oct. 14, 2024, embarking on a journey to explore Jupiter's icy moon, Europa. This week, Planetary Radio welcomes Bob Pappalardo, the mission's project scientist, who recounts the team's dramatic encounter with Hurricane Milton before their triumphant launch. Plus, get a sneak peek at The Planetary Society's upcoming collaboration with StarTalk as Neil deGrasse Tyson, astrophysicist and director of the Hayden Planetarium, visits The Planetary Society's headquarters. As always, Bruce Betts wraps up with What's Up, featuring a beautiful member-submitted poem and an intriguing random space fact. Discover more at: https://www.planetary.org/planetary-radio/2024-europa-clipper-blasts-offSee omnystudio.com/listener for privacy information.

Oct 16, 2024 • 59min
Internships, conferences, and grad school: A space student's guide
This week, Planetary Radio offers advice for students pursuing higher education in space-related fields. Elizabeth Koenck, a Zed Factor Fellow, shares how her internship at The Planetary Society has helped her pursue a future in space policy. Sara Miller, the organizer of AbGradCon and a Ph.D. candidate at Cornell, discusses how to best leverage conferences and build community. Then, Briley Lewis, a recent Ph.D. graduate at UCLA and a correspondent at STARtorialist, will teach you how to survive grad school. Stick around for What's Up with Bruce Betts, our chief scientist, as he shares more about The Planetary Society's new book series for kids. Discover more at: https://www.planetary.org/planetary-radio/2024-space-students-guide See omnystudio.com/listener for privacy information.

Oct 9, 2024 • 1h 4min
Clipper’s champions: Space advocates and the fight for a mission to Europa
Jupiter's moon Europa is one of the most promising targets in the search for life. The Planetary Society and space advocates around the world fought to make Europa Clipper a reality. This week, we learn more about the tumultuous history of the mission with Casey Dreier, our chief of space policy. Mat Kaplan, senior communications adviser, gives an update on the successful launch of the European Space Agency's Hera mission and the delayed launch of Europa Clipper due to Hurricane Milton. Then, Bruce Betts, chief scientist at The Planetary Society, discusses two opportunities to view comets in the October sky in What's Up. Discover more at: https://www.planetary.org/planetary-radio/2024-clippers-championsSee omnystudio.com/listener for privacy information.