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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Space Policy Edition: The power of the lunar sublime

Should policymakers spend more time looking - really looking - at the Moon? Chris Cokinos thinks so. He’s the author of a new book, Still As Bright, which explores the evolving role of the Moon in our culture, our history, and our dreams of spaceflight.

Space Policy Edition: Real and Acceptable Reasons for Space Exploration

Former NASA Administrator Mike Griffin discusses his claim that there is a tension between the so-called Real reasons that motivate spaceflight and the prosaic, Acceptable reasons used to justify space exploration within the public sphere.

Space Policy Edition: The ahistorical era of commercial lunar exploration

Science historian Dr. Matt Shindell joins the show to discuss the unique era of commercial lunar exploration, and how planetary exploration has evolved and can continue to evolve on and around the Moon.

Space Policy Edition: Space isn’t black — it’s grey

Space policy expert Laura Delgado López joins the show to break down the new paper, “Clearing the Fog: The Grey Zones of Space Governance” by Jessica West and Jordan Miller.

Space Policy Edition: India’s growing space ambitions

UK-based space writer Gurbir Singh, author of the book The Indian Space Programme: India’s Incredible Journey from the Third World towards the First, joins the show to help us understand India’s growing ambitions and capabilities in space.

Space Policy Edition: Was the Space Shuttle a policy failure?

Though the Space Shuttle program lasted 30 years and built the ISS, it fell short of NASA's goals for cost, reusability, and reliability. Can a program be both a worldly success and a policy failure? In this Space Policy Edition, we dissect a classic space policy paper and debate its relevance today.

Space Policy Edition: What went wrong with Mars Sample Return

NASA's Mars Sample Return mission is both a top priority and seriously troubled. Independent review board chair Orlando Figueroa joins us to talk about the challenges and what must be done.

Space Policy Edition: Why lunar exploration must be of enduring national interest

Scott Pace, the prior executive secretary of the National Space Council, discusses why Artemis is of strategic value to U.S. national interests — and why the Moon is unique as a destination to drive global space exploration.

Space Policy Edition: What’s Going on with: Congress, MSR, and FAA Reauthorization?

We check in on the congressional budget process for NASA, Mars Sample Return’s spiraling cost growth, and the impending end of the regulatory holiday for human commercial space launch companies.

Space Policy Edition: The policy implications of active SETI

Would meeting an extraterrestrial civilization be good or bad for humanity? Astronomer Dr. Jacob Haqq Misra argues that knowing the outcome in advance is fundamentally impossible.

Space Policy Edition: SpaceX's Starship vs. the environment, with Eric Roesch

Eric Roesch, an environmental policy expert, joins Planetary Radio to discuss SpaceX's Starship, environmental regulations' role in commercial space travel, and responsible space exploration.

Space Policy Edition: The motives behind NASA's billions — Jean Toal Eisen on how Congress funds the final frontier

Jean Toal Eisen, former senior staff on the Senate Appropriations Committee, joins the show to reveal the decision-making process, priorities, and motivations of those who control the U.S. space program's funding.

Space Policy Edition: The Tricky Ethics of Space Settlement

Dr. Erika Nesvold, astrophysicist and author of the new book Off-Earth: Ethical Questions and Quandaries for Living in Outer Space explores the ethical challenges facing our species as it dips its toe into living beyond our home planet.

Space Policy Edition: The White House's Matt Daniels on the U.S.'s New Cislunar Strategy

Dr. Matt Daniels of the White House's Office of Science and Technology Policy joins the show to discuss the White House’s new cislunar space strategy, its ambitions, and implications for the future of lunar exploration and development.

Space Policy Edition: JPL Director wants "every brain" to have the chance to work in space exploration

Jet Propulsion Laboratory Director Laurie Leshin wants to give every brain in the country the opportunity to work in space exploration.

Space Policy Edition: NASA's Economic Impact with Alex MacDonald and Joshua Drucker

What is NASA’s return on investment? NASA chief economist Alex MacDonald and University of Illinois Chicago professor Joshua Drucker provide revealing answers from a new economic impact report.

Space Policy Edition: What the Congressional Midterms Mean for Space Science

Bethany Johns of the American Astronomical Society talks with Planetary Society Chief Advocate Casey Dreier about how changes in Washington after the midterm elections may affect support for science.

Space Policy Edition Bonus: Q&A with Casey Dreier and Bill Nye

A special Space Policy Edition featuring a recent policy and advocacy webcast that gave Planetary Society members the opportunity to query Chief Advocate Casey Dreier and Society CEO Bill Nye.

Space Policy Edition: The Geopolitics of a Successful SETI Detection

How will nations react if (when?) humanity detects the presence of an alien intelligence or civilization? That’s the topic Planetary Society Chief Advocate Casey Dreier takes up with his guest, astrophysicist Jason Wright.

Space Policy Edition: Mike Gold on Crafting the Artemis Accords

Former NASA Associate Administrator Mike Gold shepherded the Artemis Accords, a set of bilateral agreements for collaboration in human space exploration. Casey Dreier spoke with him in Florida as we awaited the launch of Artemis 1.

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