For most of deep time, spreading ridges released more carbon than volcano chains, changing how we interpret Earth’s climate history.

Tiny zircon crystals are revealing that Earth’s earliest history may have included surprisingly complex tectonic activity.

The Pacific Northwest sits atop one of the most dangerous fault systems on Earth, yet daily life from Seattle to Portland ...

Columnist note: This week marks the 326-year anniversary of the Jan., 26, 1700, magnitude-9 megathrust earthquake and associated tsunami that hit the Olympic Peninsula. Science tells us it was caused ...

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A 4.9 magnitude earthquake struck in Argentina Tuesday northeast of Aconcagua, data from the United States Geological Survey (USGS) shows. The quake rattled parts of the Andes in both Argentina and ...

An international research collaboration has harnessed supercomputing power to better understand how massive slabs of ancient ocean floors are shaped as they sink hundreds of kilometers below Earth's ...

The Qinling orogenic belt is a collision-type orogenic belt located between the Longmenshan–Dabieshan fault and Sanmenxia fault in central China; it has undergone multiple phases of tectonic ...