Learn how our members and community are changing the worlds.
Our citizen-funded spacecraft successfully demonstrated solar sailing for CubeSats.
Celebrating our celestial companion. Image by Andrew McCarthy.
Membership programs for explorers of all ages.
Get updates and weekly tools to learn, share, and advocate for space exploration.
Volunteer as a space advocate.
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.
Know the cosmos and our place within it.
Empowering the world's citizens to advance space science and exploration.