Mars Life Explorer: The search for extant lif...

Gentry Lee spent nearly five decades at NASA's Jet Propulsion Laboratory, and in that time he helped shape some of the most ambitious missions in the history of space exploration. A new documentary, “Starman,” chronicles his career and the big question that runs through it: is th ...  Show more

Is the United States really in a new space race with China? Or is that framing missing the bigger picture? In this Space Policy Edition of Planetary Radio, Casey Dreier, chief of space policy at The Planetary Society, sits down with Patrick Besha, former NASA strategic advisor on ...  Show more

Space-settling enthusiasts have long had an eye on Mars, and now they have the backing of the world’s richest man. Elon Musk recently claimed that humans could be on the planet by 2030 and be living there in a self-sustaining city within 20 years. But is it really that simple? Ma ...  Show more

NASA found a Martian rock that might have traces of ancient life. It's perhaps the most tantalizing revelation in the century-long search for Martian life. (Updated from 2022) Guests: Katie Stack Morgan, project scientist for the Perseverance rover; Lindsay Hays, astrobiologist a ...  Show more

Astronauts on a future mission to Mars will face many challenges, including three years in a tiny spacecraft and a Mars habitat, with just a few other crew members and a 22-minute delay for any communication back to Earth. Psychologist Suzanne Bell, PhD, head of NASA’s Behavioral ...  Show more

Oct 27, 1972. The planet Mars has many victims. Specifically, spacecraft. There have been so many failed missions to Mars, that scientists are rumbling about a "Mars Curse". But one mission is defying the odds. Mariner 9, an American space probe, has been orbiting Mars for the la ...  Show more