Exploring Near-Earth Asteroids main content.

Exploring Near-Earth Asteroids

Part of the Beyond Planet Earth: The Future of Space Exploration exhibition.

Near Earth Asteroid
Near-Earth asteroid
NASA

Asteroids are small rocky bodies that orbit the Sun. Most do so in the asteroid belt between Mars and Jupiter. But near-Earth asteroids orbit much closer to our planet—and sometimes even crash into it.

Can humans visit these space rocks? And when will one hit us again?