For millions of years, Earth’s shifting plates have shaped continents, formed oceans, and built towering mountain ranges. But ...

Earthquakes occur when the rock on one side of a fault slips relative to the other. The fault surface can be vertical, ...

Or the crust can crack open enough to let melted rock from the next layer of Earth, the mantle, rise to the surface. One place this happens is at the boundaries of tectonic plates, which are the ...

Yellowstone and Hawaiʻi. These systems a well known for producing large volumes of magma through time and leaving chains of volcanic features in their wake, although they do so in very different ways.

South Carolina has high seismic activity despite not being on a plate boundary. Scientists still don't know the answer for ...

A breakthrough study has provided the most detailed 3D look yet at the inner workings of the Tonga Subduction Zone, where ...

Scientists have revealed that two continent-size regions in Earth's deep mantle have distinctive histories and resulting chemical composition, in contrast to the common assumption they are the same.