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Planetary Radio: Space Exploration, Astronomy and Science

The Planetary Society

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

science

All Episodes

58:55

The Other Moonshot: The untold stories of Apollo’s...

Planetary Radio: Space Exploration, Astronomy and... ·

2025/03/26

The Apollo program put humans on the Moon, but behind that historic achievement were engineers whose stories have gone largely untold. In this episode, “LA Made: The Other Moonshot” host Joanne Higgins joins Planetary Radio to share the powerful history of Charlie Cheatham, Nate LeVert, and Shelby Jacobs, three Black engineers in Los Angeles who helped make Apollo possible while navigating racism and exclusion. We discuss how their technical brilliance shaped the space program, why their

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59:39

The Mars Innovation Workshop

Planetary Radio: Space Exploration, Astronomy and... ·

2025/03/19

We take you inside the Mars Innovation Workshop, hosted at the SETI Institute’s headquarters and produced by Explore Mars. Planetary Society Senior Communications Advisor Mat Kaplan shares highlights from the event, exploring how cross-disciplinary collaboration is shaping the future of Mars exploration and creating solutions for challenges here on Earth. Meanwhile, major changes are happening at NASA. In a move that has raised concerns in the space community, NASA leadership has dissolved key

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67:29

An extinction-level event for NASA science

Planetary Radio: Space Exploration, Astronomy and... ·

2025/03/12

NASA's science missions have transformed our understanding of the Universe, from breathtaking images of deep space to robotic explorers on Mars. But now, a reported 50% cut to NASA's science budget threatens to shut down missions, halt discoveries, and devastate the future of space exploration. This week, Casey Dreier and Jack Kiraly from The Planetary Society's space policy team break down the fight ahead, explain why these cuts would be catastrophic, and explain how you can take action before they

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77:34

Space Policy Edition: Locke, liberty, and the pursuit...

Planetary Radio: Space Exploration, Astronomy and... ·

2025/03/07

Philosopher Rebecca Lowe joins us to explore how the ideas of classical liberalism can provide fresh insight into humanity’s activities in space. Our conversation explores the philosophical tensions between individual freedom and societal good, the instrumental and intrinsic value of space activities, and the uniquely accessible nature of space science and exploration. From a novel approach to lunar property rights and the opportunities to support human flourishing, Lowe offers a

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58:41

Breaking down Bennu: OSIRIS-REx finds life’s building...

Planetary Radio: Space Exploration, Astronomy and... ·

2025/03/05

NASA’s OSIRIS-REx mission has returned pristine samples from asteroid Bennu to Earth, and the early results are remarkable. Sample analysts have confirmed the presence of abundant organic compounds, nitrogen-rich material, and evidence of past liquid water, all key ingredients that could help us understand the role asteroids played in delivering the building blocks of life to Earth. This week, we’re joined by Scott Sandford, co-investigator on OSIRIS-REx and a research scientist at

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61:13

Genesis: The sample return mission that fell to Earth...

Planetary Radio: Space Exploration, Astronomy and... ·

2025/02/26

Twenty years ago, NASA’s Genesis spacecraft returned to Earth carrying precious samples of the solar wind, only to crash-land in the Utah desert. But that wasn’t the end of the mission. Amy Jurewicz, Assistant Research Professor Emeritus at Arizona State University and former project scientist at NASA’s Jet Propulsion Laboratory for the Genesis team, takes us inside the mission’s highs and lows, from its Apollo-inspired origins to its contributions to cosmochemistry and space

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59:24

Astronaut Hayley shares her brave adventure

Planetary Radio: Space Exploration, Astronomy and... ·

2025/02/19

From IV drips to rocket ships, Hayley Arceneaux has been on a journey. She joins Planetary Radio to discuss her memoir “Wild Ride” and her newly released kid's book “Astronaut Hayley's Brave Adventure,” which tell the story of how her experiences with childhood cancer at St. Jude Children's Research Hospital set the stage for her journey to space aboard SpaceX's Inspiration4 mission. Then, Planetary Society Chief Scientist, Bruce Betts, talks about the g-forces experienced

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62:13

Near-Earth Asteroid 2024 YR4 and NASA under a new...

Planetary Radio: Space Exploration, Astronomy and... ·

2025/02/12

The internet is buzzing about Asteroid 2024 YR4, currently ranked as the highest-threat asteroid in our skies. But is it really cause for concern? Our Public Education Specialist, Kate Howells, breaks down the facts. Then, we shift from potential impacts to stunning space imagery as Finn Burridge from the Royal Observatory Greenwich shares how astrophotographers worldwide can participate in the Astronomy Photographer of the Year competition. Finally, our space policy experts, Casey Dreier and Jack

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80:22

Space Policy Edition: Mars Sample Return, but at what...

Planetary Radio: Space Exploration, Astronomy and... ·

2025/02/07

Rocket Lab CEO Peter Beck joins the show to unpack his company’s bold, $4-billion fixed-price plan to bring Martian samples home, why he believes commercial partnerships can unlock new frontiers in planetary science, and his “soft spot” for interplanetary exploration. Then, Richard French — former JPL engineer and now VP of Business & Strategy at Rocket Lab — provides deeper insight into their proposed Mars Sample Return architecture, explaining how a single,

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59:55

Kiss-and-capture: The dance of Pluto and Charon

Planetary Radio: Space Exploration, Astronomy and... ·

2025/02/05

How did Pluto meet its largest moon, Charon? Many have speculated that Charon formed in an impact, but traditional models of planetary formation have struggled to explain many of the quirks of this system. This week, Adeene Denton, a research scientist at the University of Arizona, shares her team's new paper that suggests a "kiss-and-capture" may solve this mystery. Then Bruce Betts, The Planetary Society's chief scientist, discusses contact binaries in our Solar System and shares a new Random

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57:23

The Edward Stone Voyager Exploration Trail

Planetary Radio: Space Exploration, Astronomy and... ·

2025/01/29

This week on Planetary Radio, we celebrate the enduring legacy of Ed Stone, the longtime project scientist for NASA’s Voyager mission and former director of JPL. Mat Kaplan, senior communications advisor at The Planetary Society, takes us to the unveiling of the Dr. Edward Stone Voyager Exploration Trail at JPL, where we hear from past and present JPL leaders, Voyager mission team members, and Ed Stone’s family. Plus, we kick off the episode with the much-anticipated launch of Blue

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56:52

Does It Fly? Putting science in entertainment to the...

Planetary Radio: Space Exploration, Astronomy and... ·

2025/01/22

This week, we discuss how to examine the science behind our favorite TV shows and movies with the co-hosts of the "Does It Fly?" podcast, Hakeem Oluseyi and Tamara Krinsky. Produced by Roddenberry Entertainment, "Does It Fly?" takes an expert approach to breaking down the science of popular media, from lightsabers to Dune's stillsuits. Hakeem brings his astrophysics expertise, while Tamara provides her media industry insights as they join Planetary Radio to explore where science and fiction

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51:28

Revisiting K2-18 b: JWST finds a lead in the search...

Planetary Radio: Space Exploration, Astronomy and... ·

2025/01/15

This week we revisit one of the most remarkable exoplanet discoveries of 2024 with the help of the James Webb Space Telescope (JWST). JWST detected signs of methane and carbon dioxide in the atmosphere of K2-18 b. Knicole Colón, the deputy project scientist for exoplanet science for JWST, explains how this discovery could reshape our search for life beyond Earth and teach us more about the enigmatic class of exoplanets known as sub-Neptunes. Stick around for What's Up with Bruce Betts, the

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55:41

Emily Calandrelli becomes the hundredth woman in space

Planetary Radio: Space Exploration, Astronomy and... ·

2025/01/08

This week, we celebrate a remarkable milestone as Emily Calandrelli, also known as “the Space Gal,” becomes the 100th woman to venture into space. Emily shares her experiences on the Blue Origin voyage, what she took to space, and how motherhood influenced her reaction to seeing Earth from space. Then Planetary Society Chief Scientist Bruce Betts joins for What's Up and a list of fun things to do in zero-g. Discover more

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68:17

Space Policy Edition: The Challenges of Change at NASA

Planetary Radio: Space Exploration, Astronomy and... ·

2025/01/03

How does change happen within NASA, and what prevents it? Marcia Smith, founder of Space Policy Online, joins the show to discuss the opportunities and pitfalls faced by incoming presidential administrations and how NASA has—and hasn’t—changed over the decades. Will Artemis be reimagined? Will public-private partnerships introduce more risk than reward? And is change even the right default attitude to take? Discover more

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52:37

The Planetary Society’s 45th anniversary with Bill Nye

Planetary Radio: Space Exploration, Astronomy and... ·

2025/01/01

Planetary Radio kicks off The Planetary Society's 45th anniversary year with CEO, Bill Nye. Bill reflects on the organization's first forty-five years and what humanity has learned about space in that time. Then, Chief Scientist Bruce Betts joins in for the first What's Up and Random Space Fact of 2025. Discover more at:https://www.planetary.org/planetary-radio/2025-45th-anniversary See omnystudio.com/listener for privacy information.

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59:48

Looking back on 2024

Planetary Radio: Space Exploration, Astronomy and... ·

2024/12/25

The Planetary Society team reviews the best space moments of 2024, from the China National Space Administration's return of samples from the far side of the Moon to the triumphant launch of NASA's Europa Clipper mission. Kate Howells (Public Education Specialist) shares the winners of The Planetary Society's Best of 2024 awards. Then, Mat Kaplan (Senior Communications Advisor), Ambre Trujillo (Digital Community Manager), and Asa Stahl (Science Editor) team up for a rundown of the year's highlights

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59:59

Mars “spiders” recreated in the lab

Planetary Radio: Space Exploration, Astronomy and... ·

2024/12/18

Lauren Mc Keown, a postdoctoral fellow at NASA's Jet Propulsion Laboratory, discusses her experiences recreating Martian araneiform terrain, also called Mars spiders, in the lab. Latif Nasser, the co-host of Radiolab, also joins Planetary Radio to share how you can cast your vote to name a quasi-Moon of Earth. Then Bruce Betts, chief scientist of The Planetary Society, looks at a different type of seasonal feature on Mars, recurring slope lineae, in What’s Up. Discover more

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47:05

Space Policy Edition: The Myth of Presidential...

Planetary Radio: Space Exploration, Astronomy and... ·

2024/12/13

For over half a century, space advocates and presidents alike have tried to recreate the JFK moment of calling on the country to send a man to Moon — but is this a mistake? The classic bookSpaceflight and the Myth of Presidential Leadership argued that it is, and by focusing on presidential power alone advocates set up these initiatives to fail. However, in the decades since its publication, presidential authority has dramatically expanded. In this episode, we examine this tension: Did the

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58:24

StarTalk with Bill Nye and Neil deGrasse Tyson

Planetary Radio: Space Exploration, Astronomy and... ·

2024/12/11

We take you to Planetary Society headquarters, where Neil deGrasse Tyson, astrophysicist and host of StarTalk, interviews Planetary Society CEO Bill Nye about the organization's 45-year history of empowering the world's citizens to advance space science and exploration. Then, we share an update on the incoming Trump administration's proposed pick for the next NASA Administrator, Jared Isaacman. Planetary Society Chief of Space Policy, Casey Dreier, and Director of Government Relations, Jack Kiraly,

en-US

1,290 results

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