Explore Worlds
Find Life
Defend Earth
Become A Space Advocate
Take action for space exploration! Give today to have your gift matched up to $75,000. Our Advocacy Program provides each Society member a voice in the process. Funding is critical. The more we have, the more effective we can be, translating into more missions, more science, and more exploration.
DonateThe Planetary Fund
Your support of The Planetary Fund powers our mission to explore worlds, find life, and defend Earth.
DonateLightSail
The Society’s dream of solar sailing came true with the successful test flight of our LightSail 1 spacecraft. LightSail 2 launched aboard the SpaceX Falcon Heavy rocket on June 25, 2019. Join the Extended Mission Team and support this historic project!
DonateShoemaker Near-Earth Object Grant Program
The Planetary Society's Shoemaker Grant program supports amateur observers, observers in developing countries, and professional astronomers following up potentially hazardous asteroids.
DonatePlanetary Radio
Each week, Planetary Radio visits with a scientist, engineer, project manager, astronaut, advocate or writer who provides a unique and exciting perspective on the exploration of our solar system and beyond.
Donate
Membership & Giving
There's many ways to support The Planetary Society. Join thousands of fellow space enthusiasts from around the world who are advancing space science and exploration.