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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The Pearly Clouds of Mars

Atmospheric scientist Mark Lemmon discusses the beautiful clouds on Mars imaged by NASA's Curiosity rover.

Ingenuity Mars Helicopter Project Manager MiMi Aung

The leader of the Mars Helicopter test mission celebrates her team’s success and explores the daunting challenges they overcame.

Defenders of Earth on Planetary Radio

Six planetary defense leaders report on progress toward protecting Earth from near-Earth objects.

Is ‘Oumuamua a Piece of a Pluto-Like Planet? And Ingenuity’s First Flight on Mars

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.

The Perseverance Rover and a Great First Month on Mars

Perseverance rover deputy project scientists Katie Stack Morgan and Ken Williford share the latest developments from Mars’ newest robot resident.

InSight’s Mole: A Martian Science Odyssey

NASA engineer and scientist Troy Hudson shares the sad but ultimately inspiring story of a two-year attempt to dig deep beneath the surface of Mars.

Touchdown! The Sights and Sounds of Perseverance on Mars

Relive the most dramatic and awe-inspiring moments from NASA’s Perseverance rover landing on Mars.

Planetfest ’21: To Mars and Back Again

Author of The Martian Andy Weir and the leader of the United Arab Emirates’ successful Hope Mars orbiter mission joined other Mars all-stars at Planetfest ’21.

7 More Minutes of Terror: Perseverance Arrives at Mars

JPL engineer Gregory Villar prepares us for the perilous descent and landing of the 2020 Mars rover on February 18th.

Planetary Society All-Stars Review 2020 Space Milestones

In spite of everything, 2020 was a good year for space exploration according to five of The Planetary Society’s experts.

What Do You Need to Make Martian Oxygen? MOXIE!

Making oxygen from the Martian atmosphere will be essential if humans are ever to visit and work on the Red Planet, and the MOXIE experiment will soon show us how.

Revealing Mars From Above, and Crew Dragon is Go!

Two pioneering Mars orbiters are still doing great work above the Red Planet, while the first operational Crew Dragon spaceship has delivered four astronauts to the International Space Station.

Another Ray Gun Heads for Mars. We Hear It Working.

SuperCam principal investigator Roger Wiens shares how his new and improved laser-based spectrometer will help look for past life in Jezero Crater, while its microphone lets us listen to the Red Planet.

Hope Leads the Way to Mars

Our special guests are the leaders of the Emirates Mars Mission whose Hope spacecraft is now headed for the Red Planet.

A Mars Mission Begins, a Comet Exits, and the Future of Planetary Science

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.

How Perseverance will Search for Life on Mars

Join the mission’s deputy project scientist as the Perseverance rover prepares to search for life on the Red Planet.

Jim Bell Sends New Eyes to Mars

The leader of the Mastcam-Z team talks about how the best cameras ever on the surface of Mars will help us explore a region that could once have supported life.

China on the Final Frontier

China has big plans for a space station, exploration of the Moon and Mars, and possibly a mission that will follow Voyager beyond the edge of the solar system.

NASA Administrator James Bridenstine Returns

The U.S. space agency’s leader describes how NASA is responding to the pandemic crisis as it works to keep projects and missions on track.

The Next 10 Years: Continuing our Solar System Tour

Our look ahead at the near-future of solar system exploration continues with Mars, the giant outer worlds, and the smaller bodies that can be found throughout the neighborhood.

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