Our crowdfunded solar sailing spacecraft is about to journey to space. Join us and thousands of other Society members and space enthusiasts from around the world. Go LightSail!
In 2019, The Planetary Society's LightSail 2 will help make that dream a reality by attempting the first, controlled solar sail flight in Earth orbit. The spacecraft was made possible thanks to the generous support of space enthusiasts from around the world.
We're advancing space science and exploration.
We fund innovative science and engineering projects to discover more about our planetary neighborhood and beyond.Learn More
We guide space policy and work to ensure NASA has the funding it needs to explore new worlds and improve our own.Learn More
We reach out to people of all ages, inspiring them to understand the cosmos and equipping them with the tools to explore.Learn More