Explore Worlds
Find Life
Defend Earth
Emily Lakdawalla • Mar 26, 2008
Alan Stern has resigned
EDIT: The Planetary Society has issued a statement.
You are Part of LightSail’s Legacy
Let's share the story and success of LightSail® - help secure LightSail's legacy!
Donate Today
What We Do
How We Work
Our Results
Get Involved
Give
The Planetary Fund
Accelerate progress in our three core enterprises — Explore Worlds, Find Life, and Defend Earth. You can support the entire fund, or designate a core enterprise of your choice.
Give Today
About Us
The Planetary Society
Our Vision
Know the cosmos and our place within it.
Our Mission
Empowering the world's citizens to advance space science and exploration.