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
The maps will help plan scientific field trips for the rover as it explores an ancient river delta.
Six scientists share the major planetary science discoveries of the past decade, and the questions that will drive the next 10 years of solar system exploration.
The visual effects for the new television series Star Trek: Picard show a wonderfully realistic Mars in panoramic views that obviously rely upon NASA and ESA imagery. This article is spoiler-free except for the disclosure of an important event depicted in the opening moments of the show.
New legislation proposed in the House of Representatives would radically shift NASA's human spaceflight efforts away from the Moon and back to Mars.