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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Countdown to DART: Will We Move an Asteroid?

The DART spacecraft’s impact on asteroid moonlet Dimorphos is days away, so we’ll check in with Mission Coordination Lead Nancy Chabot as well as Simone Pirrotta, program manager for the LICIACube probe that will be watching the smackdown.

Pieces of Mars: How We’ll Get Them to Earth

Getting precious Mars rocks into Earthbound labs is an unprecedented challenge. We'll learn how a lander, a rocket, a big solar-powered transfer vehicle and two helicopters will take on this task.

Space Policy Edition: Pathfinder and the Birth of the Discovery Program

Space exploration historian Michael Neufeld traces the fascinating history of one of NASA’s most successful programs of planetary exploration.

Sail on! Bill Nye and others celebrate LightSail 2’s three years in space

Celebrate the third anniversary of LightSail 2’s launch with Bill Nye and other leaders of The Planetary Society.

Perseverance Perseveres: A Mars rover update from Ken Farley

The Mars 2020 rover has rolled into an ancient river delta on the Red Planet. Will we find evidence of past life there?

Yuri’s Night: Join the party!

Thousands celebrated the 61st anniversary of the first human voyage into space. We’ll take you to the Los Angeles party under the Space Shuttle Endeavour.

Curiosity rolls on: Mars Science Laboratory project scientist Ashwin Vasavada

The Curiosity rover’s lead researcher reviews the latest findings and images from Mars’ Gale Crater.

A good year for space: Planetary Society all-stars review 2021

Seven Planetary Society experts and enthusiasts celebrate 2021’s many space science and exploration milestones.

Mars Beckons: The 2021 Humans to Mars Summit

Highlights of the annual gathering of leaders and experts who are building toward humans walking on the Red Planet.

An ESCAPADE to Mars, on the cheap

Can NASA send robotic explorers to Mars for a tiny fraction of what most missions cost?

Liquid water under the Martian polar ice? Maybe not

New research indicates that what appeared to be liquid water hiding under Mars’ polar ice may actually be a form of clay.

How Perseverance drives itself around Mars

The Perseverance rover’s chief robotics engineer takes us for a spin across Mars.

The Pearly Clouds of Mars

Atmospheric scientist Mark Lemmon discusses the beautiful clouds on Mars imaged by NASA's Curiosity rover.

Ingenuity Mars Helicopter Project Manager MiMi Aung

The leader of the Mars Helicopter test mission celebrates her team’s success and explores the daunting challenges they overcame.

Defenders of Earth on Planetary Radio

Six planetary defense leaders report on progress toward protecting Earth from near-Earth objects.

Is ‘Oumuamua a Piece of a Pluto-Like Planet? And Ingenuity’s First Flight on Mars

NASA’s Ingenuity Mars Helicopter makes a successful first flight on the Red Planet, while two researchers offer new insights on the first interstellar object discovered in our solar system.

The Perseverance Rover and a Great First Month on Mars

Perseverance rover deputy project scientists Katie Stack Morgan and Ken Williford share the latest developments from Mars’ newest robot resident.

InSight’s Mole: A Martian Science Odyssey

NASA engineer and scientist Troy Hudson shares the sad but ultimately inspiring story of a two-year attempt to dig deep beneath the surface of Mars.

Touchdown! The Sights and Sounds of Perseverance on Mars

Relive the most dramatic and awe-inspiring moments from NASA’s Perseverance rover landing on Mars.

Planetfest ’21: To Mars and Back Again

Author of The Martian Andy Weir and the leader of the United Arab Emirates’ successful Hope Mars orbiter mission joined other Mars all-stars at Planetfest ’21.

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