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

BECOME A MEMBER TODAY!

We need 200 new members by October 31 to support the next wave of space science and keep new discoveries coming! Are you with us?

Join Now

Become A Member Advocate For Space Take Action

Featured Stories

Europa

Europa Clipper launches on its journey to Jupiter’s icy moon

Europa

Europa Clipper: A mission backed by advocates

Europa

The Europa Clipper launch: What to expect

Comets

How to spot Comet Tsuchinshan-Atlas

Night Sky

What’s up in the night sky: October 2024

Planetary Radio

Clipper’s champions: Space advocates and the fight for a mission to Europa

More Articles

Find your place in space

Co-founded by Carl Sagan in 1980, The Planetary Society is a member-funded nonprofit organization dedicated to advancing space science and exploration through three core enterprises.

hand reaching toward planet

Explore Worlds

Increase discoveries about the worlds of our solar system and beyond.

hand pointing to dna

Find Life

Elevate the search for life as a space exploration priority.

fist blocking meteor

Defend Earth

Decrease the risk of Earth being hit by an asteroid or comet.

This content is hosted by a third party (vimeo.com), which uses marketing cookies. Please accept marketing cookies to watch this video.

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

$4/month
$10/month
$20/month
$40/month
Crew-2 over the skies of Washington, D.C.

Featured Fundraising Campaign

Become A Space Advocate

Take action for space exploration! Give today to have your gift matched up to $75,000.

Donate

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.