Explore Worlds
Find Life
Defend Earth
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
Justin Spilker joins Planetary Radio to talk about his team’s detection of the oldest organic molecules in the known Universe.
Sarafina El-Badry Nance joins Planetary Radio to discuss her new book, Starstruck: A Memoir of Astrophysics and Finding Light in the Dark.
The second round awardees in a Planetary Society grant program will explore extreme life in super-salty lakes, and study how future Martians will grow their own food.
Shubham Kanodia, the lead on a paper about a so-called forbidden planet, TOI 5202 b, joins us to talk about this strange world and why it's upending our understanding of planetary formation.
In this week's episode of Planetary Radio, we're honoring the educators who inspire young, curious minds to explore the marvels of the Cosmos.
Darby Dyar, Deputy Principal Investigator for NASA's VERITAS mission to Venus, joins Planetary Radio to share the human story behind the spacecraft and make a case for saving the mission.
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.
Phil Plait, the Bad Astronomer, joins Planetary Radio to discuss his new book, Under Alien Skies: A Sightseer’s Guide to the Galaxy.
Join us as we delve into the heart of LA's 2023 Yuri's Night party, a celebration commemorating Yuri Gagarin's pioneering 1961 voyage into space.
Join us as we celebrate the accomplishments of a truly inspiring space mission - the United Arab Emirates' Hope probe, which has spent two amazing years orbiting Mars!
Robbie Herrick and Scott Hensley, the minds behind a new paper on recent potential volcanic activity on Venus, join Planetary Radio to discuss their discovery and what it means for the future of Venusian exploration.
Lindy Elkins-Tanton, the principal investigator for NASA’s Psyche mission to explore a metallic asteroid, joins Planetary Radio to share the mission’s status and look forward to the wonders that await when the spacecraft reaches its target.
Kim Arcand from NASA’s Chandra X-ray Observatory joins Planetary Radio to share her team’s new album Universal Harmonies.
Planetary Radio’s creator Mat Kaplan guest hosts for this look back at the Jet Propulsion Lab’s celebration of the 45th anniversary of the Voyager mission.
Director of Canadensys West Peter Visscher fills us in on the upcoming Canadian lunar rover. Visscher has been working on the rover for years.
Meenakshi Wadhwa, principal scientist for Mars Sample Return at NASA JPL, updates us on the missions that will bring bits of the red planet back to Earth.
A new volunteer SETI science project to search for alien technosignatures has launched! Two of its creators tell you how to sign up.
Mars expert Tanya Harrison shares the details on some of the newest discoveries about Mars’ history, including potential megatsunamis and the discovery of opals in Gale Crater.
We celebrate the James Webb Space Telescope's first confirmed exoplanet discovery this week on Planetary Radio. Jacob Lustig-Yaeger, one of the leads on the team that made the detection, joins us to discuss the details.