Join Donate

Planetary Radio Episodes

For every week 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. We also showcase regular features that raise your space IQ while they put a smile on your face.

Search Planetary Radio

Last Week, Mars. This week, An Asteroid Called Bennu.

December 05, 2018 • 40:17

The InSight lander has only just arrived on Mars. Now, OSIRIS REx has reached asteroid Bennu after traveling through deep space for a year and a half.

A Little Rocket Company Shoots for the Moon

January 03, 2017 • 57:33

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?

OSIRIS-REx: The Voyage to Bennu Begins, With Dante Lauretta

September 13, 2016 • 28:50

In two years a Near Earth Asteroid now known as Bennu will have a visitor from Earth. OSIRIS-REx Principal Investigator Dante Lauretta reports on his mission’s successful launch.

Space Policy Edition #4: Near Earth Asteroids—Why we go, how we find them, and maybe mine them

September 02, 2016 • 1:04:18

In honor of OSIRIS-REx—NASA’s newest asteroid mission—we explore the policy and history of near-Earth Objects: why NASA explores them, how the government plans to find and defending the planet, and the how policy can keep up with ambitious plans to mine asteroids.

Could the Soviet Union Have Won the Space Race?

August 23, 2016 • 46:49

Space historian and policy expert John Logsdon joins Mat Kaplan for a fascinating conversation about how the US could have lost the race to the moon.

OSIRIS REx: Ready for a Voyage to Bennu

June 21, 2016 • 34:17

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.

Getting Humans to Mars

May 31, 2016 • 56:31

Three NASA leaders talk with host Mat Kaplan about the progress we're making toward leaving footprints on the Red Planet.

OSIRIS-REx Readies for Asteroid Bennu

September 15, 2015 • 28:50

Dante Lauretta heads the most ambitious mission to an asteroid ever mounted. With one year left till launch, he returns to Planetary Radio with an update.

Chris Carberry and Getting Humans to Mars

June 02, 2015 • 28:50

Explore Mars revealed the 2015 Humans to Mars Report at a recent conference in Washington. CEO Chris Carberry gives us a quick tour of this inspiring assessment of what it will take to get more than robots to the Red Planet.

Virgin Galactic CEO George Whitesides on LauncherOne and the Return of SpaceShipTwo

March 10, 2015 • 28:50

6,000 job-seekers came to the new Long Beach, California home of Virgin Galactic’s LauncherOne rocket on a recent morning. We sit down with CEO George Whitesides for a conversation about this new effort and the return of SpaceShipTwo.

A Second Earth, and OSIRIS REx is Go for Asteroid Bennu

April 22, 2014 • 28:50

Finally found: an Earth-sized planet in the habitable zone. You’ll hear lead scientist Elisa Quintana make the announcement. Then OSIRIS REx mission Principal Investigator Dante Lauretta will tell us how the spacecraft will return a sample of material from the birth of the solar system.

From Earth to the Edge of the Universe: A New Edition of “The Cosmos”

January 21, 2014 • 30:50

Astronomers Jay Pasachoff and Alex Filippenko join us for a conversation about their newest version of their monumental textbook, "The Cosmos." Emily Lakdawalla helps us say good morning to the just-awakened Rosetta spacecraft, while Bill Nye is fascinated and puzzled by what looks like a jelly doughnut on the Martian surface.

2012 DA14--Coming Soon to a Planet Near You!

February 11, 2013 • 28:50

The 45-meter Near Earth Asteroid flies by on February 15. NASA brought together asteroid experts to discuss it and others of its threatening kind.

Live at PATS With OSIRIS REx!

September 24, 2012 • 37:42

We're live at the Pacific Astronomy and Telescope Show, with JPL astrodynamicist Steve Chesley and Planetary Society Director of Projects Bruce Betts. Steve and Bruce reveal the exciting OSIRIS REx mission to an asteroid and then back to Earth with a precious soil sample. Enter the contest to name the asteroid! Bill Nye and Emily Lakdawalla check in, and one listener will win a Celestron FirstScope telescope.

Planetary Society logo

Support The Planetary Society


Help Planetary Radio amplify its broadcast

Contribute Now