An asteroid is a large chunk of rock left over ... comet' when the space rock was 7.4 million miles from... Stunning images show the luminous blue comet captured from different angles as it ...

Meteorites that fell over Sudan in 2008 could have come from a space rock that was formed by a triple-asteroid pileup — a collision between three different types of space rocks, a new study finds.

The moon rocks and lunar soil samples that Apollo ... In the powder, the team searched for the chemical fingerprints of different types of space weathering in the form of potassium and rubidium ...

Different types of asteroids that pose a threat ... surface that is helping researchers learn more about how the space rock formed. Astronomers were also able to carry out follow-up observations ...

There's a lot we don't know about these icy visitors, but here's the breakdown of what scientists have confirmed or strongly suspect about the different types of ... frozen gas, rock and dust ...

One of those Martian meteorites that barreled across space, named NWA 7034 or Black Beauty, was vastly different than the rest, in that it contained sharp fragments of different types of rock ...

The basalt discovered by the scientists is said to be distinctly different from other known types of basalt. Researcher Dr. Ivan Savov says in an era where discoveries made in space exploration ...