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
Hosting a solar eclipse-watching party is a fantastic way to share one of nature’s most awe-inspiring events with your friends and family. Here’s a guide to hosting a safe and memorable eclipse-watching party.
In anticipation of the total solar eclipse on April 8, 2024, The Planetary Society has partnered with the National Park Service to launch a new Eclipse Explorer Junior Ranger booklet.
The story behind the newly-named quasi-satellite of Venus.
From Earth's neighboring planets to distant moons, these are the best places to look for alien life.