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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Rob Manning and Landing on Mars

Landing on Mars is hard, and the bigger you are, the harder it gets. Rob Manning returns to tell us about one of NASA’s best hopes for getting much bigger spacecraft down there—spacecraft that may one day carry humans.

Year of the Icy Worlds

We’ll visit the Jet Propulsion Lab on its Icy Worlds Day to learn more about spacecraft exploring Ceres, Enceladus and Europa from leaders of these missions.

The Exciting Year Ahead on the Final Frontier

The Planetary Society’s experts look forward to a great year of firsts in the solar system and beyond.

A Conversation With Congressman Lamar Smith

The Chairman of the powerful Science, Space and Technology Committee in the U.S. House of Representatives joins us for a talk about planetary science, Europa, a human flyby of Mars and much more.

10 Years A Roving: A.J.S. Rayl on the Mars Exploration Rovers

What a long, wonderful trip it has been for Spirit and Opportunity, the Mars Exploration Rovers. Planetary Society reporter A.J.S. Rayl has been writing about their adventure every month for ten years. She looks back on this week’s show.

A Big Week for Space Science at the AGU and Beyond

The annual fall meeting of the American Geophysical Union revealed lots of science, some of it astounding. Emily Lakdawalla was there with Advocacy and Outreach Coordinator Casey Dreier, whose news was not quite as good.

Alyssa Rhoden and the Rise of the Europa Underground

Alyssa Rhoden studies Jupiter’s moon Europa…from a distance. She, many other scientists and millions of space exploration fans around the globe want to see a mission to this ice world that hides a vast, warm ocean. That’s why she and several colleagues have created Destination: Europa, and they want your help.

Juno's Brief Home Visit on the Road to Jupiter

Juno Principal Investigator Scott Bolton reviews the spacecraft's Earth flyby and previews its long stay at our solar system's king of planets.

Europa Report--New Science Fiction Film Embraces the Science

If you’re willing to accept the premise, the thrilling new independent feature film presents one of the most scientifically and technically accurate tales ever put on screen. We’ll talk with the director and producer, and then ask science advisor Kevin Hand for a reality check.

Celebrating 35 Years of the Voyager Mission

Voyagers 1 and 2 just reached 35 years of travel in space. What a great reason to celebrate! Join Voyager Project Scientist Ed Stone, Ann Druyan, Emily Lakdawalla and Robert Picardo in this special live edition of our show. Bill Nye reports on a separate celebration in London and on the International Space Station, and Bruce Betts is back in fine form with Mat Kaplan for this week’s What’s Up.

More Planetary Radio Live at the Aquarium of the Pacific: Oceans Everywhere

We return to the Aquarium for much more of our conversation about seas on Earth and seas on other worlds, featuring Dave Bader, Kevin Hand and Bill Nye. Emily Lakdawalla concludes her video tour of Curiosity's cameras and instruments.

Planetary Radio Live at the Aquarium of the Pacific

What better place to talk about Earth's oceans and the seas of other worlds?

Fire and Ice With Volcanologist Rosaly Lopes

JPL volcanologist Rosaly Lopes has discovered more volcanos than anyone else, including 71 on Jupiter’s moon Io. She is fascinated by these fiery (and sometimes frigid) features of our dynamic solar system, and shared her love at the recent SETIcon.

New Mexico Cave Adventure With Penny Boston and the First International Planetary Caves Workshop

New Mexico Cave Adventure With Penny Boston and the First International Planetary Caves Workshop

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