Planetary Radio Episodes

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.

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.

The Next 10 Years of Planetary Exploration

Six scientists give us a preview of where planetary science may be taken in the next 10 years by a new NASA decadal survey.

Building Our Future on Mars

Civil engineer Peter Carrato believes we know how to use what’s available on Mars to build the human structures that will be needed by the first explorers.

The Return of Cosmos and Ann Druyan

Cosmos has returned under the steady hand of Ann Druyan. We’ll talk with her about the third season of the television series and her companion book.

Astronomers Without Borders

The founder of Astronomers Without Borders brings the organization’s leader in Nigeria to the Planetary Radio microphones.

The Search for 100 Earths

The search for worlds like our own is underway, but the challenges are enormous according to astronomers Debra Fischer and Joe Llama.

Life=Matter+Information: Paul Davies and the Demon in the Machine

Physicist and author Paul Davies returns to talk about his new book that explores the defining role information plays in life on Earth and perhaps elsewhere.

Another Goldilocks World and the Space Telescope That Discovered It

Another near Earth-sized planet has been found in the habitable zone around a distant star, discovered by a powerful space telescope named TESS.

A Great Space Observatory Goes Dark: The Legacy of Spitzer

Leaders of the just-ended Spitzer Space Telescope mission help us celebrate sixteen years of discoveries about our solar system, exoplanets and galaxies nearly as old as the universe itself.

Mighty Jupiter Revealed

Juno mission principal investigator Scott Bolton provides an enticing taste of the Jupiter orbiter’s mind-bending discoveries.

The Coming Descent to Asteroid Bennu

OSIRIS-REx mission leader Dante Lauretta takes us to mysterious asteroid Bennu where a first sample collection site has been selected.

The MILO Institute: Opening the Solar System for Exploration by All

Planetary Scientist Jim Bell and space entrepreneur Lon Levin are founders of a new non-profit that aims to make robotic space exploration much more achievable by institutions around the world.

In the Clean Room With the Mars 2020 Rover

Host Mat Kaplan and Planetary Society solar system specialist Emily Lakdawalla go inside NASA’s Jet Propulsion Laboratory clean room to see the Mars 2020 rover.

Planetary Society All-Stars Look Back at 2019 and Ahead to 2020

Planetary Society experts Jason Davis, Casey Dreier and Emily Lakdawalla join host Mat Kaplan to recap the big space moments of 2019 and explore what's ahead in 2020.

What’s Next for Mars Exploration?

Planetary Society board member and Caltech/JPL research scientist Bethany Ehlmann discusses how the Mars 2020 mission will search for life on the Red Planet.

Meet the Planetary Society’s Newest Asteroid Hunters

We talk with two of our 2019 Shoemaker NEO Grant winners, who received funding to help find, track, and characterize potentially hazardous asteroids.

The Creators of The Expanse

Get ready for season 4 of The Expanse with Daniel Abraham and Ty Franck, who write the books and co-produce the shows under the name James S. A. Corey.

A Toast to Alcohol in Space

Chris Carberry traces the history and future of alcohol in space through his new book.

Seeking the Killer Space App with Space Tango

Organizations are using the microgravity environment of the International Space Station to develop unique new products. One of them is Kentucky-based Space Tango. We’ll meet its chairman and co-founder and the woman who manages its Tangolab.

Space Books and Gifts for Space Kids of all Ages

Looking for the perfect space book or gift for your favorite space fans? We’ve got the lists.

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