Join Donate

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

Advocating for Planetary Science/Star Trek Meets Spacefarers

May 20, 2013 • 30:45

The director and cast of Star Trek: Into Darkness meet up with real space travelers. Also: Planetary science funding from NASA is in trouble, so a delegation led by Bill Nye the Science Guy descended on Washington DC last week to sound the alarm. Planetary Society Advocacy chief Casey Dreier provides a report, and comments on the Society’s support for NASA’s Asteroid Retrieval Mission.

Live at the Planetary Defense Conference!

April 22, 2013 • 28:50

Planetary Radio host Mat Kaplan joined Bill Nye and four passionate planetary explorers on stage at the Planetary Defense Conference in Flagstaff, Arizona.

Alan Stern's Golden Spike Sets Sights on the Moon

March 04, 2013 • 28:50

Alan Stern is back to tell us about Golden Spike, his new company that plans to put human clients on the surface of the moon by the end of this decade.

One In A Million!

February 25, 2013 • 37:45

UC Berkeley SETI researcher Andrew Siemion and his colleagues have put an upper limit on the number of civilizations in our galaxy that are capable of giving us a call. He’ll explain their reasoning and provide other search updates.

An Imminent Asteroid Encounter

February 04, 2013 • 28:50

Spain’s La Sagra Observatory discovered Asteroid 2012 DA14 just a year ago. Now it’s nearing Earth once again. Jaime Nomen of La Sagra is back to prepare us for this very close flyby.

Debra Fischer Hunts for a Second Earth at Alpha Centauri

January 28, 2013 • 28:53

Yale Professor of Astronomy Debra Fischer is one of our planet’s most successful discoverers of exoplanets. She has set her sights on Alpha Centauri, where she hopes to find a Earth-sized world in the habitable zone: not too hot, not too cold for life.

The Gigantic ALMA Radio Telescope in Chile

January 21, 2013 • 28:50

ALMA will make sharper images than the Hubble Space Telescope, yet it’s a radio telescope! ALMA scientists Alison Peck and Al Wooten tell us about this array of 66 huge dishes in Chile’s Atacama desert.

Listening Once Again to Amateur Astronomy Pioneer John Dobson

January 07, 2013 • 28:50

A reprise of our very popular conversation with the delightful 97-year old John Dobson, inventor of the Dobsonian telescope that brings the universe within everyone’s reach.

Looking Back, Looking Forward: Beginning a New Year In Space

December 31, 2012 • 28:50

Planetary Society experts review the challenges and triumphs of 2012 and look forward to a new and exciting year. You’ll hear Bill Nye the Science Guy, Emily Lakdawalla on new missions, Casey Dreier on “Saving our Science,” and Bruce Betts’ review of great projects, as well as a musical rendition of “Random Space Fact.”

PLANETARY RADIO LIVE: Special Curiosity Report Continues

December 24, 2012 • 28:50

Our fascinating, live conversation with Curiosity Project Manager Richard Cook and Project Scientist John Grotzinger continues. Richard and John are joined on stage by Bill Nye the Science Guy, Emily Lakdawalla and Mat Kaplan.

PLANETARY RADIO LIVE: Celebrating Rover Curiosity

December 17, 2012 • 28:50

The leaders of the Curiosity mission join Bill Nye, Emily Lakdawalla and host Mat Kaplan for a live conversation about the thrilling mission on Mars.

First Earth-Sized Exoplanet is Next Door!

December 10, 2012 • 28:50

Xavier Dumusque is the young astronomer who was lead author for the announcement of the first exoplanet found in the Alpha Centauri system, just 4.3 light years from Earth. It's also the first Earth-sized world found outside our own system.

Celebrating Carl Sagan With Lou Friedman, Lynda Obst, Kip Thorne and More

November 12, 2012 • 30:39

November 9 was Planetary Society founder Carl Sagan's birthday, so we gathered a few of his close friends and several young scientists he inspired in front of a live audience. They also helped us celebrate Planetary Radio's 10th anniversary!

A Vacuum Cleaner on Mars

October 29, 2012 • 28:50

It’s called PlanetVac, and it’s an amazingly simple way to collect a soil sample on Mars. Or on the moon. Or on an asteroid. We’ll learn about it from Kris Zacny of Honeybee Robotics.

The Pioneer Anomaly... Solved!

April 23, 2012 • 28:50

After decades of mystery and investigation, after the recovery of gigabyte after gigabyte of data stored in obsolete computer formats, the whatdunit surrounding Pioneers 10 and 11 has finally reached its conclusion.

Searching for Pandora With Debra Fischer

April 09, 2012

Yale exoplanet hunter Debra Fischer is about to begin looking for worlds in the star system that is nearest to Earth. She'll tell us about new technology enabling this effort, and how you can join the search.

Cosmos 1: Solar Sail Special Report

June 27, 2005 • 0:28:50

Cosmos 1: Solar Sail Special Report

Solar Sail Countdown

June 20, 2005 • 0:28:50

Solar Sail Countdown

Items 81 - 98 of 98  Previous12345
Planetary Society logo

Support The Planetary Society


Help Planetary Radio amplify its broadcast

Contribute Now