Researchers have detected a previously unknown layer of partially molten rock beneath Earth's crust. The discovery could help scientists learn more about the movements of Earth's tectonic plates, ...

NASA shows off an area of Mars where the wind has swept away the surface dust and sand to reveal the intricate layers of rock hiding beneath. These rock layers were created by sediment that gradually ...

One of the largest canyons in our Solar System carved its way through several layers of ancient volcanic eruption debris, a recent study reports. Valles Marineris is a titanic network of deep cracks ...

NASA’s Curiosity Mars rover is examining a valley where at least two types of bedrock meet, for clues about changes in ancient environmental conditions recorded by the rock. In addition to two rock ...

Researchers have detected a previously unknown layer of partially molten rock beneath Earth’s crust. The discovery could help scientists learn more about the movements of Earth’s tectonic plates, ...

The Earth with the upper mantle revealed. Researchers at The University of Texas at Austin have discovered a previously unknown layer of partly molten rock in a key region just below the tectonic ...