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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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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.
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.
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.
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.
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.
Planetary Radio creator Mat Kaplan shares a look behind the scenes at the 2023 Planetary Defense Conference in Vienna, Austria.
Join us as we celebrate the successful launch of the European Space Agency's Juice mission with project scientist Olivier Witasse.
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.
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.
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.
Jet Propulsion Laboratory Director Laurie Leshin wants to give every brain in the country the opportunity to work in space exploration.
For his last episode as host, Mat Kaplan welcomes many of his Planetary Society colleagues for a review of a spectacular year of space exploration.
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.
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.
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.
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.
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.
Former NASA deputy administrator Lori Garver returns for a deep conversation with Casey Dreier about her fight to turn the agency toward commercial partnerships and away from the expensive Constellation program.
Laurie Leshin has just become the tenth director of JPL and the first woman to run the fabled center for space science and robotic exploration.
Space exploration historian Michael Neufeld traces the fascinating history of one of NASA’s most successful programs of planetary exploration.