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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Kepler Discovers Hundreds of Exoplanets

Kepler Discovers Hundreds of Exoplanets

100 Millions Solar Systems Like Our Own?

100 Millions Solar Systems Like Our Own?

William Borucki on Kepler's Search for Another Earth

William Borucki on Kepler's Search for Another Earth

Judging a Planet's Habitability With Abel Mendez

Judging a Planet's Habitability With Abel Mendez

Kepler Begins Search for Other Earths

Kepler Begins Search for Other Earths

Exoplanet Finder Debra Fischer

Exoplanet Finder Debra Fischer

Billions and Billions of Earthlike Planets?

Billions and Billions of Earthlike Planets?

Analyzing Alien Atmospheres

Analyzing Alien Atmospheres

Planetary Radio 5th Anniversary Show: Astronomer Geoff Marcy on Discovery of Fifth Planet in Star System

We celebrate our 5th anniversary by learning about discovery of a five-planet star system, the largest found so far. Q&A on Jupiter's red spot.

The Most Earthlike Extrasolar Planet Yet -- A Conversation With Co-Discoverer Stephane Udry

The Most Earthlike Extrasolar Planet Yet -- A Conversation With Co-Discoverer Stephane Udry

A Planetary System That Looks Like Home

A Planetary System That Looks Like Home

By the Light of a New World

By the Light of a New World

Billions of Earths?

Billions of Earths?

Hunting for Extrasolar Planets

Hunting for Extrasolar Planets

An Encore for Sir Arthur and Another New Extrasolar Planet

An Encore for Sir Arthur and Another New Extrasolar Planet

100 Extrasolar Planet Candidates...and Counting!

100 Extrasolar Planet Candidates...and Counting!

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