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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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.

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Explore Worlds

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

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Find Life

Elevate the search for life as a space exploration priority.

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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.

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Featured Fundraising Campaign

Support our core enterprises

Your Planetary Fund support powers our mission to explore worlds, find life, and defend Earth. Give today to have your gift matched up to $100,000.

Donate

Get More Space

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