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LightSail

LightSail is a citizen-funded project from The Planetary Society to send a small spacecraft, propelled solely by sunlight, to Earth orbit.

Our Projects

The Planetary Society creates ways for the public to have active roles in space exploration. We seed innovative space technologies, nurture creative young minds, and are a vital advocate for our future in space.

Space Topics

Learn about the planets, moons, and smaller stuff in the solar system; the spacecraft that explore them; and how you can explore along with them.

The Planetary Report

The Planetary Report is the internationally recognized flagship magazine of The Planetary Society, featuring lively articles and full-color photos to provide comprehensive coverage of discoveries on Earth and other planets.

The Mars Exploration Rovers Update

Only from The Planetary Society, published regularly since 2004: MER Update is our comprehensive, independent coverage of Spirit and Opportunity on Mars.

The 2017 North American Total Solar Eclipse

On August 21st, 2017, a total solar eclipse was visible across North America. The Planetary Society partnered with the U.S. National Parks Service to celebrate this spectacular celestial event.

Bill Nye and people
Let's Change the World

Become a member of The Planetary Society and together we will create the future of space exploration.

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Europa
The Planetary Fund

Help advance robotic and human space exploration, defend our planet, and search for life.

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