Planetary Radio Episodes

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.

Mars Exploration Rover Program Manager John Callas

John Callas provides a status report on Spirit and Opportunity. Emily Lakdawalla is looking at brilliant Comet Holmes in her Q&A report, and Bruce Betts also makes room for Holmes in his What's Up! review of the night sky.

To Phobos and Back

To Phobos and Back

Building the J-2X Rocket Engine for the Return to the Moon

Building the J-2X Rocket Engine for the Return to the Moon

The Universe in Ultraviolet: Bill Blair on the FUSE Mission

The Universe in Ultraviolet: Bill Blair on the FUSE Mission

Mark Showalter: Unraveling the Mysteries of Planetary Rings

Mark Showalter: Unraveling the Mysteries of Planetary Rings

Space Elevator Games and Serious Planetary Science

Space Elevator Games and Serious Planetary Science

Celebrating Sputnik With Louis Friedman in Moscow

Celebrating Sputnik With Louis Friedman in Moscow

Homer Hickam, the Original Rocket Boy, Revisits His October Sky

Homer Hickam, the Original Rocket Boy, Revisits His October Sky

A New Race to the Moon: The Google Lunar X Prize

A New Race to the Moon: The Google Lunar X Prize

Cassini at Weird Iapetus

Cassini at Weird Iapetus

The Pioneer Anomaly: Changing the Laws of Physics?

The Pioneer Anomaly: Changing the Laws of Physics?

A Hole In The Universe

A Hole In The Universe

At the EuroPlanet Conference With Doug Ellison

At the EuroPlanet Conference With Doug Ellison

Bill McKinnon and Ices and Seas in the Outer Solar System

Bill McKinnon and Ices and Seas in the Outer Solar System

Talking With the NEEMO Aquanauts

Talking With the NEEMO Aquanauts

Phoenix is on its way to Mars

Phoenix is on its way to Mars

Phoenix Mars Lander Principal Investigator Peter Smith

Phoenix Mars Lander Principal Investigator Peter Smith

Honoring Ray Bradbury, Mars Photographer

Honoring Ray Bradbury, Mars Photographer

The 7th International Conference on Mars

500 members of Earth's Mars appreciation club gathered at CalTech in Pasadena, California last week. Scientists presented the latest research on Mars.

A New Dawn for Interplanetary Exploration

A New Dawn for Interplanetary Exploration

< 1 ... 55 5657 ... 67 >