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.
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
Elon Musk and SpaceX are sending a spacecraft to the Moon that has been paid entirely in Dogecoin, a cryptocurrency based on a meme.
As NASA's Juno spacecraft prepares for its extended mission, it’s worth taking a look back at why Jupiter’s lightning remains one of the planet's most fascinating enigmas.
These are some of the most compelling ideas on how to terraform Mars into a habitable, Earth-like world for future explorers.
The data come from NASA’s Pioneer Venus Multiprobe mission, which deployed a series of probes into the planet’s clouds.