Plate tectonics, or the recycling of Earth’s crust, may have begun much earlier than previously thought—and may be a big ...

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 ...

Earthquakes are most common along fault lines, which are fractures that allow the plates to move. Earthquakes occur when two ...

It is where three tectonic plates meet and the Northwest’s Cascadia subduction zone and California’s San Andreas Fault system ...

In a new study, a team of researchers suggests that 4 billion years ago, plate tectonics likely looked closer to what we ...

He's an extreme kind of guy. He likes a bit of danger. He's happiest in places with earthquakes and volcanos – where tectonic plates meet. Tectonic plates are giant slabs of solid rock that make ...

The Earth's hard outer layer (where we live) is called the crust. It is made up of large slabs called tectonic plates. The plates fit together like jigsaw puzzle pieces far beneath our feet.