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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JWST confirms its first exoplanet

We celebrate the James Webb Space Telescope's first confirmed exoplanet discovery this week on Planetary Radio. Jacob Lustig-Yaeger, one of the leads on the team that made the detection, joins us to discuss the details.

Juno Journeys to Jupiter’s Moons

Dive into the latest discoveries about Jupiter’s moons, Ganymede, Europa, and Io, with Scott Bolton, the principal investigator for NASA’s Juno mission.

Planetary Society All-Stars Review the Year in Space

For his last episode as host, Mat Kaplan welcomes many of his Planetary Society colleagues for a review of a spectacular year of space exploration.

Space Policy Edition: Why are outer planets missions so expensive?

Casey talks with experts about the 50th anniversary of the Pioneer 10 launch toward Jupiter and beyond, and why most outer planets missions since then have been so costly.

Mighty Jupiter Revealed

The Juno mission will continue its exploration of Jupiter till 2025, thanks to a four-year extension granted by NASA. Principal investigator Scott Bolton brings us up to date.

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.

Mighty Jupiter Revealed

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

Exploring the Latest Planetary Science Discoveries With Emily Lakdawalla

A holiday edition of Planetary Radio welcomes the Planetary Society’s Senior Editor back from the annual meeting of the American Geophysical Union. Emily reports on amazing developments in planetary science she discovered at the huge conference.

Julie Webster and the Art of Spacecraft Endurance

How do you keep a dazzlingly complex spacecraft in good health after 20 years in space? That’s the challenge for Julie Webster and her team of engineers supporting the Cassini mission at Saturn.

Spectacular Jupiter!

Have you seen its stunning image of Jupiter’s south pole? The Juno orbiter is surpassing expectations and delivering surprising science. Scott Bolton, the mission’s Principal Investigator, is back with a thrilling report.

Buzz Aldrin and Other Martians

He walked with Neil Armstrong on the moon, but that may not be his greatest legacy. Buzz Aldrin was joined by other space stars at the recent Humans To Mars Summit.

A Little Rocket Company Shoots for the Moon

CEO Randa Milliron introduces us to Interorbital Systems, which wants to put your payload in orbit for as little as $8,000. Can they do it?

Inside Virgin Galactic’s SpaceShipTwo

Host Mat Kaplan traveled to California’s Mojave Desert for a tour of Virgin Galactic’s The Spaceship Company, where the second SpaceShipTwo was built and is undergoing flight tests. TSC Executive VP Enrico Palermo was his guide.

Spinoffs! Sharing NASA Technology

In its nearly five decades, NASA has created or improved thousands of technologies, processes and innovations. Dan Lockney is in charge of making sure these solutions are found and utilized by industries and others in need.

Interstellar Dreams Turn Real

Philip Lubin and his former student Travis Brashears have had quite a year. Their bold plan to send tiny probes to nearby stars is now supported by NASA and the Breakthrough Starshot $100 million dollar initiative. Hear their amazing story.

Juno Reaches Jupiter!

Return with us to the evening of July 4, 2016 and the exciting arrival at Jupiter of the Juno orbiter. You’ll hear the moment of successful orbital insertion. Several of the mission’s key contributors reveal how Juno accomplished this feat, along with what they hope the spacecraft will tell us about the giant planet.

Fighting for Space: Former NASA Deputy Administrator Lori Garver

She has spent most of her life working toward a bright future for humanity in space, and Lori Garver has lost none of her passion. She visited the Planetary Society for a wide-ranging conversation with Mat Kaplan.

Space Policy Edition #2: Why Juno? Why Jupiter? Why Now?

This month Jason Callahan, Casey Dreier and Mat Kaplan ask whether the Moon vs. Mars human destination debate makes sense, highlight a new report on the science potential of CubeSats by the National Academies, and explain how a thrilling planetary science mission like Juno gets a thumbs up from NASA.

Countdown to Jupiter

Juno will enter Jupiter orbit on July 4th. Mat Kaplan talks with the mission’s Principal Investigator, Scott Bolton at the Jet Propulsion Laboratory. Bill Nye helps prepare us for this exciting encounter and the science that will follow.

OSIRIS REx: Ready for a Voyage to Bennu

OSIRIS-REx will launch toward Near Earth Asteroid Bennu soon. In an early celebration of Asteroid Day, mission leader Dante Lauretta tells us how learning about asteroids may teach us about our own origins, and help us avoid a cataclysmic impact.

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