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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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.

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.

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 20th landing anniversary of Spirit and Opportunity

Matt Golombek, project scientist for the Mars Exploration Rover Project, joins Planetary Radio to celebrate the 20th anniversary of the landing of the Spirit and Opportunity rovers on Mars.

Blazing a trail to the Moon

We're celebrating lunar missions and the space advocacy that helps make them happen this week on Planetary Radio.

What’s hidden inside planets?

Sabine Stanley, author of the new book "What's Hidden Inside Planets?", discusses some of the amazing things that lie under the surfaces of the worlds in our Solar System.

JWST finds a new lead in the search for life on a mysterious exoplanet

Knicole Colón, the deputy project scientist for exoplanet science for JWST, joins Planetary Radio to discuss the detection of methane and carbon dioxide in the atmosphere of K2-18 b.

Space Policy Edition: India’s growing space ambitions

UK-based space writer Gurbir Singh, author of the book The Indian Space Programme: India’s Incredible Journey from the Third World towards the First, joins the show to help us understand India’s growing ambitions and capabilities in space.

Revisiting the discovery of phosphorus on Enceladus

Chris Glein, a lead scientist at the Southwest Research Institute, joins Planetary Radio to talk about the discovery of phosphorus in the oceans of Saturn’s moon Enceladus and the implications for the search for life.

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.

Dragonfly soars to final design phase

NASA's Dragonfly mission to Saturn's moon Titan has been authorized to proceed with work on final mission design and fabrication. This week on Planetary Radio, we get an update on the mission's progress and new timeline.

The mystery of the largest marsquake ever recorded

Benjamin Fernando, a postdoctoral fellow from the University of Oxford, joins Planetary Radio this week to discuss the largest marsquake ever recorded and the international effort it took to pinpoint.

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.

Deep Sky: A JWST IMAX experience

Nathaniel Kahn, an Oscar-nominated filmmaker and the director of Deep Sky, joins Planetary Radio this week to discuss the film's decade-long creation process and the magic of JWST images on the big screen.

Space Policy Edition: What went wrong with Mars Sample Return

NASA's Mars Sample Return mission is both a top priority and seriously troubled. Independent review board chair Orlando Figueroa joins us to talk about the challenges and what must be done.

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.

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