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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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Meet leaders of two of the most successful Earth-based searches for asteroids, including many that could threaten Earth.
Listen as the Double Asteroid Redirection Test spacecraft closes in on asteroid Dimorphos, followed by a triumphant conversation with DART Coordination Lead Nancy Chabot, and a visit with space image processor Judy Schmidt.
Scientists have found a menagerie of complex organic compounds on the comet visited by the Rosetta spacecraft that connect it with the birth of our solar system.
We Earthlings are making progress toward defending our planet from near-Earth objects, which is reason enough for the annual Asteroid Day celebration.
Suit up for an up-close encounter with the Psyche spacecraft that will soon launch toward the asteroid belt.
The Planetary Society’s new Science and Technology Empowered by the Public (STEP) grant program will let citizens join the search for ET and enable astronomers to discover the nature of hundreds of near-Earth asteroids.
Meet three of the just-announced recipients of Planetary Society Gene Shoemaker NEO grants. They search the skies for asteroids and comets that could threaten our planet.
The DART mission begins its journey that will end when it smashes into an asteroid, demonstrating how we might save Earth from a devastating impact.
The head of the United Arab Emirates space agency announces a new mission to explore seven asteroids.
Principal investigator Hal Levison and colleagues prepare us for the launch of NASA’s Lucy spacecraft in an exclusive interview.
The ion engine-powered Dawn spacecraft will orbit Ceres for many years. Could it have touched down on the surface of the dwarf planet?
Planetary scientist and New Horizons principal investigator Alan Stern says great science will ride on Virgin Galactic’s SpaceShipTwo and Blue Origin’s New Shepard.
Six planetary defense leaders report on progress toward protecting Earth from near-Earth objects.
NASA’s Ingenuity Mars Helicopter makes a successful first flight on the Red Planet, while two researchers offer new insights on the first interstellar object discovered in our solar system.
Hayabusa2 project manager Yuichi Tsuda shares the exciting success of Japan’s sample return mission ti asteroid Ryugu.
‘Oumuamua made headlines when astronomers discovered it in 2017. Harvard professor Avi Loeb's new book lays out the case for why the object might be artificial and argues that scientists should embrace bold theories.
Joel Sercel believes we are entering an era in which asteroid mining and other commercial development of space are imminent, but he’s concerned about how we will avoid the mistakes of past eras of human expansion.
The leader of the OSIRIS REx asteroid sample return mission shares more details of last week’s encounter in an exclusive interview, while we also learn about the proposed mission to look for life on Saturn’s moon Enceladus.
Former Dawn mission director Marc Rayman of JPL reveals the secrets of the bright spots on dwarf planet Ceres, and we celebrate 10 years as Planetary Society CEO with Bill Nye.
Principal Investigator Alan Stern returns on the 5th anniversary of the New Horizons encounter with Pluto to tell us about the wealth of knowledge the spacecraft is still sending home from across the solar system.