Advance space exploration

Learn about our mission to increase discoveries in our Solar System, elevate the search for life beyond our planet, and decrease the risk of Earth being hit by an asteroid.

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Featured Stories

Find your place in space

Co-founded by Carl Sagan in 1980, The Planetary Society is a member-funded nonprofit organization dedicated to advancing space science and exploration through three core enterprises.

hand reaching toward planet

Explore Worlds

Increase discoveries about the worlds of our solar system and beyond.

hand pointing to dna

Find Life

Elevate the search for life as a space exploration priority.

fist blocking meteor

Defend Earth

Decrease the risk of Earth being hit by an asteroid or comet.

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Join CEO Bill Nye and become a member of the world’s largest and most effective space advocacy movement.

Crew-2 over the skies of Washington, D.C.

Featured Fundraising Campaign

Become A Space Advocate

Take action for space exploration! Give today to have your gift matched up to $75,000.

Donate

Get More Space

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