This is the place to find out about asteroids, those small, rocky bodies that formed early in solar system history. Asteroids are the major source of meteorites landing on Earth. They provide us with a window onto the very earliest phase of solar system history before the larger planets, including Earth, were fully formed.


Click on the links below to find out more about asteroids:

What is an Asteroid?

The Asteroid Belt

Earth Crossing Asteroids

Recent Asteroid Missions



Asteroid 4 Vesta. Image: NASA