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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A big year for heliophysics and Parker Solar Probe

We explore recent solar activity and discoveries from NASA's Parker Solar Probe with Nour Rawafi, the mission's project scientist.

The nova and the naming contest

RadioLab's Latif Nasser returns to Planetary Radio with a new public naming contest for a quasi-moon of Earth.

Accidental astronomy

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

International integration: The path from the Moon to Mars

We share a conversation from the Humans to Mars Summit about integrating NASA and its partners as humanity looks to build a permanent and sustainable human presence on Mars.

Bot battles and space dreams

Kelly Biderman, the CEO of Havoc Robotics, joins Planetary Radio to share how the National Havoc Robot League helps to prepare the next generation of space engineers. Then we hear from Florence Pouya, the former captain of the Afghan Girls Robotics Team.

Day of Action 2024: The Planetary Society goes to Washington

This week on Planetary Radio, we'll share what happened during this year's Day of Action and why it matters.

TARDIS Talk: Space, Time, and “Doctor Who” with Russell T. Davies

We explore how Doctor Who has influenced the scientific community with Russell T. Davies, the past and present showrunner of the iconic science fiction TV series.

Europa Clipper’s message in a bottle

Bob Pappalardo, Europa Clipper's project scientist, visits The Planetary Society headquarters in Pasadena, CA, to share the story of the mission's vault plate, humanity's next collection of messages to another world.

Eclipse-O-Rama

This week on Planetary Radio we take a trip to The Planetary Society’s Eclipse-O-Rama festival in Fredericksburg, Texas, where hundreds gathered to witness the April 8 total solar eclipse.

Tabletops and telescopes: NASA’s RPG and the hunt for habitable worlds

We explore NASA's first tabletop role-playing game with senior multimedia specialist Christina Mitchell and a new way to find water worlds with Amaury Triaud from the University of Birmingham.

Radiolab helps name a quasi-moon of Venus

This week on Planetary Radio, Latif Nasser, co-host of Radiolab shares the story behind the naming of Zoozve, a quasi-moon of Venus.

Syzygy science: Discoveries made during total solar eclipses

Planetary Radio marks its last show before the Apr. 8 total solar eclipse with a look back at discoveries made during totality.

Eclipse Tips: A guide to safe observing and astrophotography

Ron Benner, the President of the American Optometric Association, and astrophotographer Andrew McCarthy give helpful tips for safely observing the upcoming total solar eclipse in North America.

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.

Tales of totality: The adventures of an eclipse chaser

Jim Bell, a professor from the School of Earth and Space Exploration at Arizona State University and former president of The Planetary Society's Board of Directors, shares captivating tales from his global eclipse-chasing journeys.

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.

The legacy of Red Rover Goes to Mars

Twenty years after a pioneering collaboration between The Planetary Society, NASA, and LEGO, Planetary Radio reflects on the Red Rover Goes to Mars program and the lives it impacted.

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.

The Space Race: Honoring the first African-American space explorers

This week on Planetary Radio, we take a peek behind the scenes at National Geographic's new documentary, “The Space Race,” which celebrates the triumphs and struggles of the first African-American space pioneers and astronauts.

Exploring solar eclipses through time

Ed Krupp, the director of Griffith Observatory in Los Angeles, shares insights from the fascinating field of archaeoastronomy.

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