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Stories, updates, insights, and original analysis from The Planetary Society.

The Possible Worlds of Ann Druyan

The executive producer, writer, and director of Cosmos and author of the companion book discusses the show’s third season, and why she believes science is the key to a better future

The Solar System According to Carolyn Porco

The leader of the Cassini spacecraft imaging team discusses pale blue dots, life on Enceladus, terraforming Mars, Pluto, Carl Sagan, and more.

Planetary Radio: 10 Must-Listen Episodes About Space Exploration

The Planetary Society staff has selected our top ten favorite episodes of Planetary Radio. Listen now.

Planetary Radio celebrates 16 years of PB&J

Planetary Radio host Mat Kaplan has spent sixteen years sharing the “passion, beauty, and joy” of space exploration with the world. We picked our sixteen favorite episodes to share with you.

Announcing Planetary Radio: Space Policy Edition

Announcing Planetary Radio Extra: Space Policy Edition (PRE:SPE for short)—a new spinoff of Planetary Radio that will delve into the weeds of space policy and politics.

“Upside Down & Inside Out” - OK Go Makes Art at Zero-G

OK Go just dropped their most spectacular - and daring - music video yet, “Upside Down & Inside Out.” Filmed in microgravity over many parabolic flights in Russia, “Upside Down & Inside Out” sets a new precedent for what’s possible as artists consider our future in space.

LightSail is Ready for Launch! Join Us as the Countdown Begins

We hope you can be with us as we make a major announcement about our solar sail spacecraft, LightSail 1.

Building Our Community by Being Part of it

The last six weeks have been especially busy due to an unusually high number of conferences and festivals, so I thought I'd summarize what's been going on and how The Planetary Society has been involved.

Planetary Radio: The Gemini Planet Imager

It's very nice to infer the existence of planets circling other stars. It's even better to see them. This new instrument has just become the most powerful exoplanet viewer yet created.

Planetary Radio: NEOWISE PI Amy Mainzer

NEOWISE has reawakened to discover many more asteroids and comets. The mission leader thanks the amateur astronomers who follow up on these discoveries.

Planetary Radio: Ten Years A Roving: The Mars Exploration Rovers

This week's show looks back over ten years of exploration by Spirit and Opportunity. Writer A.J.S. Rayl recounts the challenges encountered early in the mission, and how an outstanding team triumphed.

Planetary Radio: Comet ISON, Rest in Pieces

Karl Battams of NASA's Comet ISON Observing Campaign is our guest on this week's show. He explains how ISON really did become the comet of the century for scientists.

Planetary Radio: Rise of the Europa Underground?

This week's PlanRad talks to one of the creators of a new effort to build support for the Europa Clipper, a spacecraft that would tell us far more about what's going on under that icy moon's surface.

SpaceUp LA and the MAVEN Launch on Planetary Radio

Check into the latest Southern California

Planetary Radio: Looking for Intelligence in a Flash

An update on the Planetary Society's improved Optical SETI search, with Harvard's Paul Horowitz and Curtis Mead.

PLANETARY RADIO LIVE: MAVEN Launches for Mars

Host Mat Kaplan will be joined by Bill Nye the Science Guy, Bruce Betts and Emily Lakdawalla for this special live event.

Mars Needs Plutonium! (And so do Saturn, Uranus, Neptune and Points Beyond)

Society Advocacy and Outreach Coordinator Casey Dreier visits Planetary Radio with the tale of an element that is essential to exploration of deep space.

America's Pastime: Planetary Science

Apologies to baseball fans and others for the theme of this week's Planetary Radio preview, which has star player Emily Lakdawalla on deck.

Your Name...On Its Way to the Stars?

This week's Planetary Radio features artist Jon Lomberg inviting listeners to join the New Horizons Message Initiative.

The "Starship Century" Beckons

The Benford brothers provide inspiration and hard fact in their excellent new anthology about interstellar travel.

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