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Planetary Radio Program Archives

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.

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Latest Planetary Radio Appearance

Flying the Skies of Saturn’s Moon Titan

January 16, 2019 • 45:47

magine soaring over what may be the solar system’s most Earth-like world, if you ignore the chill. If funded, the nuclear electric-powered Dragonfly will do exactly this. Principal Investigator Elizabeth “Zibi” Turtle shares her enthusiasm.

New Horizons Flyby: Join the Celebration!

January 09, 2019 • 62:18

Join us at the Applied Physics Lab in Maryland for the New Horizons encounter with the most distant object ever visited. You’ll meet mission leaders, friends and even a rock and roll star as we dive deep into this triumph of exploration.

A Mission to Earth: OSIRIS-REx

January 02, 2019 • 37:00

Why do so many spacecraft that are headed across our solar system turn their instruments back to Earth during flybys? OSIRIS-REx was no exception. The answers come from mission scientist Vicky Hamilton

Countdown to Ultima: Alan Stern and New Horizons

December 26, 2018 • 42:27

The New Horizons spacecraft will reach faraway Kuiper Belt object 2014 MU69 in the first minutes of 2019. Will the body informally known as Ultima Thule be as mysterious and exciting as Pluto?

Earthrise! Celebrating the 50th Anniversary of Apollo 8

December 19, 2018 • 50:52

This is the 50th anniversary of the most audacious space mission in history. Apollo 8 blazed a path for the first moon landing seven months later, and gave a troubled nation reason for hope and pride.

At the Space Settlement Summit With Former NASA Administrator Charlie Bolden

December 12, 2018 • 50:06

He led NASA for eight years, but not till he had flown on four Space Shuttle missions and enjoyed a long military career. Charlie Bolden talks with Mat about his time at the space agency and where we’re headed on the final frontier.

Space Policy Edition: Canada's Uncertain Future in Space (with Kate Howells)

December 07, 2018 • 67:56

Canada was the third country in history to launch a satellite into space, but now lags in its space ambitions, capability, and spending. What happened?

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 Great Day for Space Explorers: The Landing of InSight

November 28, 2018 • 59:36

Join 1,000 anxious yet thrilled space fans at Caltech for our live InSight landing party. You’ll meet Mat Kaplan’s onstage experts and check in with Bill Nye and Emily Lakdawalla at the Jet Propulsion Lab.

We Know Where the 2020 Rover Will Look for Martian Life

November 21, 2018 • 42:34

NASA announced on November 19th that the multi-billion dollar 2020 Mars rover will land in Jezero crater, where it will begin the search for the signature of past life.

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