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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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.
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.
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.
Jason Achilles, a musician who partnered with NASA’s JPL to help put one of the first microphones on Mars, shares his journey and the joy of listening to the sounds of the red planet.
Outgoing Planetary Radio host Mat Kaplan realizes a dream by getting Rob Manning and Andy Weir together for one of the most entertaining conversations in our show’s two decades.
Getting precious Mars rocks into Earthbound labs is an unprecedented challenge. We'll learn how a lander, a rocket, a big solar-powered transfer vehicle and two helicopters will take on this task.
Scientists need your help identifying clouds high above the surface of the red planet. The goal is to figure out where Mars’ water went.
Mat Kaplan helped host the Humans to Mars Summit in Washington D.C., where much of the community that is working to get us to Mars gathered.
The Mars 2020 rover has rolled into an ancient river delta on the Red Planet. Will we find evidence of past life there?
Water may have flowed on Mars for a billion more years than was previously thought, giving possible life an extra billion years to thrive.
New research shows that the giant plumes of Saturn’s moon Enceladus may not be coming from the warm ocean deep below the icy surface.
The Curiosity rover’s lead researcher reviews the latest findings and images from Mars’ Gale Crater.
Discovering Mars is the new chronicle of humanity’s long relationship with the Red Planet, assembled by space historian William Sheehan and Mars explorer Jim Bell.
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.
Here’s our sampling of the leading edge research presented by NIAC Fellows at NASA’s 2021 virtual gathering.
Highlights of the annual gathering of leaders and experts who are building toward humans walking on the Red Planet.
Can NASA send robotic explorers to Mars for a tiny fraction of what most missions cost?
New research indicates that what appeared to be liquid water hiding under Mars’ polar ice may actually be a form of clay.
The Perseverance rover’s chief robotics engineer takes us for a spin across Mars.
Space historian and author of A Man on the Moon Andy Chaikin returns as we celebrate Apollo 15’s 50th anniversary.