Add Yahoo as a preferred source to see more of our stories on Google. Scientists have discovered an ancient "ghost" plume lurking beneath Oman. The magma plume is trapped beneath a thick portion of ...

Exactly when and how plate tectonics started, however, is a matter of debate. Now, in a study published March 19 in the ...

The first step in gold’s journey does not happen in a mine, a fault, or a hydrothermal vent. It begins far deeper, in mantle ...

Sunken slabs from long-lost tectonic plates are still churning around in Earth's interior, far below your feet. In a new ...

Add Yahoo as a preferred source to see more of our stories on Google. Like a mosquito tunneling into the skin to get at the rich feast within, geologists poked a long, narrow drill into Earth's crust ...

Surface volatiles—chemical substances that easily become gases or fluids at relatively low temperatures and pressures—are transported into Earth through subduction zones, with some being transported ...

In 1981, scientists discovered one of the thinnest portions of the Earth’s crust — a 1-mile (1.6 kilometers) thick, earthquake-prone spot under the Atlantic Ocean where the American and African ...

Earth’s internal structure continues to reveal details that reshape established scientific explanations about the planet’s ...

The Earth's mantle might not always move along in lockstep with the overlying tectonic crust—as set out in science textbooks for decades—but may instead behave differently. This is the conclusion of ...

Geoscientists have made an unprecedented achievement on their 60-year quest to know more about Earth's mysterious depths. Pieces of Earth’s rocky mantle were collected by a drilling vessel called the ...

Earth is the planet we have the best opportunity to understand in detail—helping us see how other rocky planets behave, even ...