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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Return to Dimorphos: Looking forward to the Hera launch

We look forward to the Oct. 7 launch of the European Space Agency's Hera spacecraft with Michael Küppers, project scientist for the mission.

Ramses and rockets: Commercial space adventures and the race to Apophis

Get up to speed on the latest in commercial space news and look forward to the European Space Agency’s Ramses mission to Apophis with members of The Planetary Society team.

The penguin, the egg, and the asteroid collision in Beta Pictoris

We celebrate the second anniversary of the James Webb Space Telescope's (JWST) science operations with Christine Chen, associate astronomer at the Space Telescope Science Institute.

An asteroid bash and an asteroid smash

We observe Asteroid Day with an update on NASA’s Double Asteroid Redirection Test (DART) mission with the Asteroid Foundation’s Markus Payer and JHUAPL’s Terik Daly.

Accidental astronomy

We discuss the delightfully unpredictable nature of space discoveries with Chris Lintott, author of the upcoming book Accidental Astronomy.

The asteroid hunter

Dante Lauretta, the principal investigator for NASA's OSIRIS-REx mission, joins Planetary Radio to share stories from his new book, The Asteroid Hunter.

Geothermal activity on the icy dwarf planets Eris and Makemake

A team co-led by the Southwest Research Institute has made a groundbreaking discovery, revealing evidence of hydrothermal or metamorphic activity on the icy dwarf planets Eris and Makemake in the Kuiper Belt. The lead author of this research, Chris Glein, joins Planetary Radio to explain.

OSIRIS-REx becomes APEX

Scott Guzewich, deputy project scientist for NASA’s OSIRIS-APEX mission, joins Planetary Radio to discuss the next steps for the mission as we count down to asteroid Apophis’ flyby of Earth in 2029.

Looking back on 2023

Members of The Planetary Society staff revisit some of 2023's most exhilarating moments and groundbreaking discoveries in space this week on Planetary Radio.

Lucy's first asteroid flyby reveals a surprise moon

Hal Levison and Simone Marchi, the principal and deputy principal investigators for NASA’s Lucy mission, join Planetary Radio to discuss the spacecraft’s first asteroid flyby.

Psyche and Eclipse Company blast off

Jesse Tomlinson and Stephen Watkins from The Eclipse Company join Planetary Radio to talk about their partnership with The Planetary Society and the launch of their new eclipse map for the upcoming 2024 total solar eclipse in North America.

Simulating Psyche: Modeling craters on a metallic world

Simone Marchi, co-investigator for NASA’s Psyche mission, joins Planetary Radio to share the creative ways their mission team is working to understand cratering on metallic worlds.

Celebrating the OSIRIS-REx sample return

We celebrate NASA’s OSIRIS-REx mission’s successful return of samples from asteroid Bennu to Earth on this week’s episode of Planetary Radio.

A new algorithm finds its first potentially hazardous asteroid

Mario Jurić and Ari Heinze from the University of Washington join Planetary Radio to discuss their team’s next-generation asteroid discovery algorithm, HelioLinc3D.

Getting psyched for Psyche

Lindy Elkins-Tanton, the principal investigator for NASA’s Psyche mission to explore a metallic asteroid, joins Planetary Radio to share the mission’s status and look forward to the wonders that await when the spacecraft reaches its target.

Martian rock collecting: From meteorites to Mars Sample Return

Meenakshi Wadhwa, principal scientist for Mars Sample Return at NASA JPL, updates us on the missions that will bring bits of the red planet back to Earth.

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.

DART smacked an asteroid! So what’s next in planetary defense?

The Double Asteroid Redirection Test was a brilliant success. The leaders of NASA’s Planetary Defense Coordination Office tell us what’s next in the quest to protect Earth.

Eyes on the Sky: Spacewatch and the Catalina Sky Survey

Meet leaders of two of the most successful Earth-based searches for asteroids, including many that could threaten Earth.

DART Impact and Judy Schmidt Interview

Listen as the Double Asteroid Redirection Test spacecraft closes in on asteroid Dimorphos, followed by a triumphant conversation with DART Coordination Lead Nancy Chabot, and a visit with space image processor Judy Schmidt.

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