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 ...

Many seismologists and researchers have long believed the Earth possesses a fast flowing and well-mixed mantle. But that theory may require some revisions according to new findings from researchers at ...

The surface of our world has been in a constant state of flux for millions of years. Continents have wandered, oceans have ...

A record-breaking drilling attempt, which dug more than a kilometer into an underwater mountain in the Atlantic Ocean, has given scientists a treasure trove of rocks to study for clues to Earth's ...

Barbara John, left, a professor in the UW Department of Geology and Geophysics, and Frieder Klein, from Woods Hole Oceanographic Institution, describe core hosting some of the mantle rocks recovered ...

To understand the mantle—the largest layer of Earth’s rocky body—scientists drill deep cores out of the Earth. Scientists drilled the deepest core yet and recovered serpentinized peridotite that forms ...

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University of Maryland scientists uncovered evidence of an ancient seafloor that sank deep into Earth during the age of dinosaurs, challenging existing theories about Earth's interior structure.

Boulder, Colo., USA: Article topics and locations include lava dome instability; deep drilling into the Nankai subduction zone, Japan; marine impact craters; and the Pacific’s oldest crust. These ...