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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Arsenic and Odd Life

Arsenic and Odd Life

Gregory and James Benford on Benford Beacons for SETI

Gregory and James Benford on Benford Beacons for SETI

Special Coverage of SETIcon

Special Coverage of SETIcon

Looking for E.T.'s Laser Beam: An Optical SETI Update

An update on the Optical Search for Extraterrestrial Intelligence from Harvard's Paul Horowitz.

Paul Davies, Author of "The Eerie Silence"

Paul Davies, Author of

The Meaning of LIFE

The Meaning of LIFE

Looking for ET's Flashlight: Optical SETI

Looking for ET's Flashlight: Optical SETI

Where to Look for Life on Mars

Where to Look for Life on Mars

Astropulse: A New Way for ET to Phone Home

Astropulse: A New Way for ET to Phone Home

A New Generation Looking for ET

A New Generation Looking for ET

Going South to Look for ET

Going South to Look for ET

Spaceward Bound: Chris McKay Leads Scientists and Teachers in the Mojave Desert

Spaceward Bound: Chris McKay Leads Scientists and Teachers in the Mojave Desert

John Rummel: Protecting the Planets from Earth Invaders

John Rummel: Protecting the Planets from Earth Invaders

Bob Pappalardo and the Mysteries of Europa

Bob Pappalardo and the Mysteries of Europa

Looking for Life with Chris McKay

Planetary scientist Chris McKay talks about where and how we should look for life in the universe, including Europa and Mars.

A Bright New Star in the Search for Extraterrestrial Intelligence

Paul Horowitz talks about his new attempt to detect pulses of laser light from distant civilizations with the Optical SETI Dedicated Observatory.

A Tribute to Philip Morrison

A Tribute to Philip Morrison

Director James Cameron Searches for Aliens

Director James Cameron Searches for Aliens

[email protected] Chief Scientist Dan Werthimer Says Sorry, Wrong Number

[email protected] Chief Scientist Dan Werthimer Says Sorry, Wrong Number

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