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.

They established The Planetary Society to give anyone from anywhere in the world an active role in advancing space exploration. Today, The Planetary Society continues this work, under the …

We connect with planetary exploration experts from around the world to strengthen our work and support international exploration efforts. Our 50,000+ international membership makes us the largest, …

The latest stories from The Planetary Society, featuring humanity's quest to explore worlds, find life, and defend Earth.

For over 4 decades, our members have made strides in advancing planetary exploration, planetary defense, and the search for life beyond Earth. We have delivered tens of thousands of petitions to …

We bring planetary defense experts together from around the world to work on advancing solutions to the asteroid threat. We co-sponsor, attend, and organize activities at academic conferences, …

The Planetary Science Caucus, now in its second year, is officially reorganized and has hit the ground running; organizing against the devastating proposed cuts and rallying bipartisan congressional …

Apr 21, 2020 · It's right there in our name: The Planetary Society. But what is a planet? This seemingly simple question is the subject of much debate.

It operates the Chinese lunar and planetary exploration programs, organizes international collaborations, directs scientific research, and helps develop China’s space industry.

Explore the membership options of The Planetary Society and join fellow space enthusiasts in advancing space science and exploration.