Most volcanoes form at the boundaries of Earth's tectonic plates, which are huge slabs of crust and upper mantle that fit together like puzzle pieces. Think of these plates as massive rafts floating ...

A volcano is an opening in the Earth's crust that allows molten rock, gases, and debris to escape from below the surface. The ...

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 ...

Earth's continents may look fixed on a globe, but they've been drifting, splitting and reforming over billions of years—and they still are. Our new study reveals fresh evidence of rhythmic pulses of ...

(CNN) — Earthquakes, caused by the shifting of Earth’s tectonic plates, have the potential to transform the face of the world. Now, for the first time, scientists have evidence that earthquakes can ...

What do the rumblings of Iceland's volcanoes have in common with the now peaceful volcanic islands off Scotland's western coast and the spectacular basalt columns of the Giant's Causeway in Northern ...

Deep below the Earth's surface, magma is churning and flowing into the Axial Seamount, an underwater shield volcano about 300 miles off the coast of Oregon. As the volcano grows and tremors increase, ...

A volcano in Iceland has emerged from its centuries-long slumber with a series of "spectacular" eruptions. The most recent eruption, which peaked Thursday, is the seventh bout of activity the volcano ...

Natural disasters, from wildfires, floods and mudslides in western states to large earthquakes in Japan, have rocked, burned and flooded parts of the world in the first months of 2025. What’s next?