Planetary Society logo
  • “Exploration is in our nature.” - Carl Sagan

Your Role In Space Exploration Starts Now

Become A Member

Featured Stories

Member magazine

The Planetary Report: Ready for launch

Articles

SpaceX Inspiration4 mission: Your questions, answered

Planetary Radio

The Case for a Return to Enceladus

LightSail 2 Extended Mission

Support this historic project with your gift today.

Join the Team

The LightSail 2 Mission

LightSail Updates

LightSail 2 Enters Extended Mission Phase

LightSail Home

The LightSail Mission

Donate

Support the Mission

Carl Sagan co-founded The Planetary Society to give you a role in space exploration.

Join CEO Bill Nye and the world’s largest and most effective space advocacy movement.

Become a member

Please accept marketing-cookies to watch this video.

Sharing and growing the passion, beauty, and joy of space exploration.

lightbulb

Educate

We expand public knowledge about space.

Learn More
megaphone

Advocate

We shape space policy and fight for future exploration.

Learn More
rocket

Innovate

We invest in innovative space science and technology.

Learn More
hands holding earth

Collaborate

We cultivate a worldwide movement for space.

Learn More
people at launch event

Become A Member

$4/month
$10/month
$20/month
$40/month

Get More Space

Sign up for updates, weekly tools, and exclusive opportunities to support space exploration. You may opt out any time. View our Privacy Policy.