Scientists warn that the plate beneath Gibraltar arc will begin to shift toward the Atlantic within 20 million years.

Earth's surface is a turbulent place. Mountains rise, continents merge and split, and earthquakes shake the ground. All of these processes result from plate tectonics, the movement of enormous chunks ...

Earth’s crust looks solid from the surface, but it is broken into a shifting mosaic of slabs that slowly rearrange oceans and continents. Understanding how those tectonic plates first formed is one of ...

Researchers have studied structures in the lunar maria that indicate earthquakes. These could also affect manned missions.