Most asteroids that pose a risk to Earth come from the Asteroid belt in our solar system. “Most of them are between Mars and ...

The asteroid Donaldjohanson—named after the paleoanthropologist who discovered the famous Lucy fossil in 1974—is shaped like a long ... main asteroid belt between Mars and Jupiter, which ...

One possible origin is a population of carbonaceous asteroids that exists today at the outer edge of the asteroid belt. Though these rocks initially formed beyond Jupiter, scientists think that ...