Where did we come from? Are we alone in the Universe? We can only answer these questions by exploring the planets and other worlds of our Solar System and beyond. Learn why these worlds are so important, and how you can get involved.
Saturn's largest moon, Titan, is both the only other place in the solar system with liquid on its surface and the only moon with a thick atmosphere, making it a tantalizing destination to search for life.
What is a Planet?
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.Learn More
The spacecraft has begun its six-year journey to the same-name metal world.
Technologies for studying planets around other stars are advancing all the time. Along with those advancements come new ways to look for possible signs of life on those planets.
The Psyche spacecraft is scheduled to blast off on a SpaceX Falcon Heavy rocket on Oct. 13.
The Planetary Society spoke to Mike Puzio, who won our "Name that asteroid!" contest back in 2013.