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.
Search Planetary Radio
The head of NASA’s planetary defense program discusses how the DART mission represents a new era for defending our planet from dangerous asteroids.
Brendan Curry, The Planetary Society’s chief of Washington operations, helps us untangle the fast-changing and complex machinations underway in the US capitol. What does it mean for NASA?
Space outreach expert and social scientist Linda Billings talks with host Casey Dreier about the language space advocates use to share their message.
NASA’s Bhavya Lal returns to explain the challenges and big advantages of nuclear propulsion in space.
The Pentagon has released its assessment of Unidentified Aerial Phenomena. Casey Dreier and science journalist Sarah Scoles talk about what’s behind the renewed interest in UFOs and Sarah’s book, They Are Already Here.
Planetary Society grants have enabled amateur astronomers to discover and track asteroids that cross Earth’s path. We’ll meet two of them.
The White House’s proposed 2022 NASA budget is almost entirely great news, as is the announcement that two complementary orbiters will explore Venus.
NASA chose SpaceX’s Starship as the sole winner of its human lunar lander development contract in a move that may also take us closer to Mars.
It looks like former senator Bill Nelson will be NASA’s next administrator. Casey Dreier and Mat Kaplan talk about his nomination and other developments in Washington D.C., including The Planetary Society’s very successful Day of Action.
Elon Musk’s SpaceX nearly failed 15 years ago as it struggled to launch its first rocket. Eric Berger has written about this challenging early era and how it helped create today’s successful, innovative company.
Matt Hourihan of the American Association for the Advancement of Science joins Casey Dreier for a deep dive into the U.S. government’s funding of science research and development.
Casey Dreier and our special guest, former National Space Council chief of staff Jared Zambrano-Stout, consider the troubling events at the U.S. Capitol in this special episode.
In spite of everything, 2020 was a good year for space exploration according to five of The Planetary Society’s experts.
Space historian Teasel Muir-Harmony argues in her fascinating new book that the Apollo lunar program was promoted as a triumph of, not for, all mankind.
With the United States election over, Casey Dreier and Mat Kaplan welcome back Planetary Society Chief of D.C. Operations Brendan Curry for a review of what may be in store for the U.S. space program.
Where would a Biden Administration take US space policy and NASA? Casey Dreier and space journalist Jeff Foust synthesize a best guess based on the available evidence.
It could be a profound and historic discovery made on Earth’s nearest planetary neighbor.
The National Space Council’s Scott Pace talks with Casey Dreier about the current administration’s sweeping new strategy that integrates all elements of space development and exploration.
The Coalition for Deep Space Exploration’s Mary Lynne Dittmar talks with Casey Dreier about how and why spacefaring nations prioritize funding for space development and exploration.
The United Arab Emirates is headed for Mars as comet NEOWISE speeds back to the outer reaches of the solar system, and three white papers address the future of planetary science and defense.