In 1869, John Wesley Powell was studying layers of rock in the Grand Canyon when he noticed an unconformity in the layers. Around a billion years were missing, and the problem turned out to be global.

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, ...

A group of scientists has discovered a hidden layer of molten rock under the Earth's surface. The new layer is located around 100 miles beneath the surface and appears to extend below much of the ...

Bermuda may well be associated with exaggerated stories of missing ships and planes, but there is another mystery about this part of the Atlantic that has been puzzling scientists for decades: Why ...

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 ...

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, ...