Explore Worlds
Find Life
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The Planetary Society
The Planetary Society has inspired millions of people to explore other worlds and seek other life. With the mission to empower the world's citizens to advance space science and exploration, its international membership makes the non-governmental Planetary Society the largest space interest group in the world.
Carl Sagan, Bruce Murray, and Louis Friedman founded The Planetary Society in 1980. Bill Nye, a longtime member of The Planetary Society's Board, serves as CEO. Learn more about The Planetary Society.
Latest Articles
Searching for ET and encouraging young minds.
Exploring Europa and defending Earth.
Edward C. Stone, Caltech's David Morrisroe Professor of Physics, Emeritus, passed away on June 9 at the age of 88. Stone was a prominent figure in space physics and planetary astronomy, where he led numerous space missions and significantly advanced the field. He was also a cherished friend of The Planetary Society.