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 thought-p...
Mar 07, 2025•1 hr 18 min•Transcript available on Metacast 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 N...
Mar 05, 2025•59 min•Transcript available on Metacast 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 s...
Feb 26, 2025•1 hr 1 min•Transcript available on Metacast 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 experience...
Feb 19, 2025•59 min•Transcript available on Metacast 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 Ja...
Feb 12, 2025•1 hr 2 min•Transcript available on Metacast 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, ve...
Feb 07, 2025•1 hr 20 min•Transcript available on Metacast 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 ...
Feb 05, 2025•1 hr•Transcript available on Metacast 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 O...
Jan 29, 2025•57 min•Transcript available on Metacast 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 inte...
Jan 22, 2025•57 min•Transcript available on Metacast 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, th...
Jan 15, 2025•51 min•Transcript available on Metacast 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 at: https://www.planetary.org/planetary-radio/2025-100th-...
Jan 08, 2025•56 min•Transcript available on Metacast 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 at: https://www.planetary.org/planetary-radio/chang...
Jan 03, 2025•1 hr 8 min•Transcript available on Metacast 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....
Jan 01, 2025•53 min•Transcript available on Metacast 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 highligh...
Dec 25, 2024•1 hr•Transcript available on Metacast 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 at: https...
Dec 18, 2024•1 hr•Transcript available on Metacast 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 book Spaceflight 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 ten...
Dec 13, 2024•47 min•Transcript available on Metacast 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 Kira...
Dec 11, 2024•58 min•Transcript available on Metacast 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 fo...
Dec 04, 2024•1 hr•Transcript available on Metacast 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-Ahme...
Nov 27, 2024•55 min•Transcript available on Metacast Presidential elections in the United States don’t just shape the country’s future — they set the course for space exploration. This week, Casey Dreier, the chief of space policy at The Planetary Society, analyzes what the incoming Trump administration could mean for NASA’s funding, human spaceflight, and its Science Mission Directorate. Meanwhile, budget cuts have triggered another round of layoffs at NASA’s Jet Propulsion Laboratory. Jack Kiraly, Planetary Society director of government relatio...
Nov 20, 2024•1 hr•Transcript available on Metacast 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 Bett...
Nov 13, 2024•1 hr 2 min•Transcript available on Metacast 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-scotia See omn...
Nov 06, 2024•58 min•Transcript available on Metacast 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. Augustine, who chaired an expert committee of the National Academies of Sciences, Engineering, and Medicine, came to the conclusion that NASA is on an unsustainable path, and has underinvested in its enabling workforce and physical infrastructure...
Nov 01, 2024•56 min•Transcript available on Metacast This week, we investigate the mysteries of Pluto's iconic heart-shaped feature. We explore recent research on the origins of the Sputnik Planitia region and what it can tell us about whether or not the dwarf planet has a subsurface ocean. Our guest, Adeene Denton from the University of Arizona, discusses her team's work investigating oblique impact basins, or "splats," and their implications for planetary formation. Then Bruce Betts, chief scientist at The Planetary Society, joins host Sarah Al-...
Oct 30, 2024•57 min•Transcript available on Metacast 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 Soci...
Oct 23, 2024•55 min•Transcript available on Metacast 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...
Oct 16, 2024•59 min•Transcript available on Metacast 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, Br...
Oct 09, 2024•1 hr 4 min•Transcript available on Metacast Lori Garver, former NASA Deputy Administrator, joins the show to discuss the potential space policy priorities of a Harris Administration. We explore Harris’ interests in her role as head of the National Space Council, the major issues facing NASA, and Garver’s thoughts on the evolution of Elon Musk, whom she championed during her tenure at NASA in an effort to kickstart the commercial space industry. Discover more at: https://www.planetary.org/planetary-radio/harris-admin-space-policy-preview S...
Oct 04, 2024•58 min•Transcript available on Metacast We look forward to the Oct. 7 launch of the European Space Agency's Hera spacecraft with Michael Küppers, project scientist for the mission. Then Ambre Trujillo, our digital community manager at The Planetary Society, lets you know how to celebrate Europa Clipper by joining NASA's Runway to Jupiter style challenge. We'll close out with Bruce Betts, our chief scientist, and a discussion of the potential future meteor shower caused by the DART impact in What's Up. Discover more at: https://www.pla...
Oct 02, 2024•1 hr 6 min•Transcript available on Metacast We return to the 2024 NASA Innovative Advanced Concepts (NIAC) Symposium for part two of our coverage. Astronaut and NIAC external council member Mae Jemison honors Lou Friedman, the co-founder of The Planetary Society, for his contributions to the space community and the NIAC program. Then Kenneth Carpenter from NASA's Goddard Space Flight Center and his colleagues pitch their plan for an Artemis-enabled Stellar Imager. Steven Benner from the Foundation for Applied Molecular Evolution and his t...
Sep 25, 2024•1 hr•Transcript available on Metacast 
