The Planetary Society 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 Explore Worlds Increase discoveries about the worlds of our Solar System and beyond
Planets and Other Worlds - The Planetary Society Jupiter, our largest planet, teaches us how planetary systems evolve Its four planet-like moons make it a planetary system of its own Io, Jupiter’s chaotic volcano moon
The Planetary Society reissues urgent call to reject disastrous… The Planetary Society reissues urgent call to reject disastrous budget proposal for NASA “This budget is a retreat, a narrowing of ambition ” Pasadena, CA (May 30, 2025) —The White House’s FY 2026 congressional budget justification for NASA, released today, is an extinction-level event for the space agency’s most productive
Articles - The Planetary Society The latest stories from The Planetary Society, featuring humanity's quest to explore worlds, find life, and defend Earth
The Planetary Society Together with our members and supporters, we’re on a mission to explore worlds, find life off Earth, and protect our planet from dangerous asteroids Join us at planetary org
About Us - The Planetary Society The Planetary Society is global, independent, nonprofit organization that promotes the exploration of space through education, advocacy, and innovative…
Membership - The Planetary Society Explore the membership options of The Planetary Society and join fellow space enthusiasts in advancing space science and exploration
NASAs disastrous 2026 budget proposal in… | The Planetary Society NASA has four mission-focused science divisions: planetary science, Earth science, heliophysics, and astrophysics This proposal would slash each division, forcing premature terminations of active missions, massive cuts to fundamental scientific research, and the end of dozens of projects currently being designed and built
Needles in the haystack - The Planetary Society Then, planetary defense began to hit the mainstream The U S Congress instructed NASA to discover 90% of all NEOs beyond a certain size, and around the same time, ground-based surveys began finding hundreds of new NEOs per year