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Castor and Pollux...and Ecurb

Meanwhile, back in Rome...Twins are the subject of temples and constellations far off in the distance. Dr. Bruce Betts has this week's Random Space Fact!



LightSail's Atlas V Rocket Rolls Into Position

On Tuesday, May 19, a United Launch Alliance Atlas V rocket carrying The Planetary Society's LightSail spacecraft rolled out to the launch pad. Liftoff on the 20th was a success! In this video, the Atlas is rolling, rolling, rolling—and getting into place for the launch!



LightSail Lifts Off

On May 20, 2015, our first LightSail prototype launched from Cape Canaveral aboard an Atlas V rocket.



Solar Sailing

This very special episode of RSF is here just in time for the LightSail test flight on May 20th. Dr. Bruce Betts and his new friend tell you about the power of light and solar sailing!



Buy A Brick: Claim Your Place in Our Space

You know The Planetary Society has always been Your Place In Space. Now you can join us in claiming some space here on Earth by purchasing a piece of our new headquarters through our Buy a Brick Campaign (



Kickstart LightSail

To back this project go to:



How Planets Got Their Names

Planet George? Dr. Bruce Betts has this week's Random Space Fact!



Mars Declaration from 1988

This throwback is long, but worth the watch! Hear the 1988 Mars Declaration from The Planetary Society as read by Carl Sagan, Gene Roddenbery, Isaac Asimov, Ann Druyan, Thomas Paine, Louis Friedman, Bruce Murray, Steve Allen, and Diane Ackerman just to name a few. Enjoy this lengthy piece of our history!



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