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
Learn when we discovered lunar water, where it is, and how future missions will study it.
NASA's OSIRIS-REx is scheduled to grab a sample from asteroid Bennu on 20 October 2020.
PlanetVac, developed by Honeybee Robotics, is designed to be a reliable, flexible, low-cost sample collection technology.
A team of scientists are pitching NASA a mission that would sample Enceladus' plumes from orbit and the surface.