Help map the distribution of water in the solar system

Learn about asteroid characteristics and their orbits

Search the realm beyond Neptune for new brown dwarfs and planets.

Discover new worlds orbiting beyond Neptune.

Understand cometary behavior and structure

Take a roller coaster ride from the Moon, through our solar system, and all the way outside our galaxy!

Use telescopes and cameras to photograph and learn about the sun

Explore earth science and astronomy in our new at-your-school program!

Send live video and images from near space.

A citizen science project that lets anyone and everyone (yes, you!) learn about planets that orbit stars beyond our solar system and get involved in observing them!