Plate tectonics is the theory that Earth's outer layer is made up of plates, which have moved throughout Earth's history. The theory explains the how and why behind mountains, volcanoes ...

Map of the Word with lines marking boundaries of tectonic plates. Plate tectonics is a theory that explains how Earth’s lithosphere—its upper mantle and crust—is split into sections called ...

Plate tectonics, the theory that underpins Earth's geological activity, shapes our planet with mountains, shifting continents ...

A fascinating new study reveals how two of Earth’s established continents may constitute one whole landmass in itself.

According to plate tectonics theory, Earth's outer shell is divided into multiple plates that slowly glide over the mantle. This slowly changes Earth's surface over time by merging, or separating ...

The tiny Juan de Fuca plate is largely responsible for the volcanoes ... The movement of the plates creates three types of tectonic boundaries: convergent, where plates move into one another ...

Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But do other planets in the solar system have them too?

The Earth is made of different layers: the core, mantle and crust. Plate tectonic theory shows that the crust of the Earth is split into plates (pieces of the Earth’s crust). The movement of ...