A hidden chunk of an ancient tectonic plate is stuck to the Pacific Ocean floor and sliding under North America, complicating ...

Research tracks deep carbon cycle over 540 million years, links icehouse and greenhouse phases to movement of tectonic plates ...

Learn about the movement of tectonic plates off the coast of northern California, a process that could incite major ...

Memorizing seven continents feels settled, like learning the alphabet. A new study argues the ground rules are less tidy.

Scientists have traditionally focused on volcanic arcs as the main natural source of atmospheric carbon dioxide. These form ...

Spain and Portugal are taking a turn. The Iberian Peninsula sits on a boundary between two large tectonic plates that are being stressed by a variety of forces, and because of this, the peninsula is ...

Scientists are uncovering a hidden and surprisingly complex earthquake zone beneath Northern California by tracking swarms of ...

A hidden shard of ancient crust has been detected where California’s San Andreas system collides with the Cascadia subduction ...

Our planet has experienced dramatic climate shifts throughout its history, oscillating between freezing "icehouse" periods and warm "greenhouse" states.

What appears to be three tectonic plates in a map may act like five pieces that move underground. Northern California ...

The two halves of the African continent are moving apart at a rate of a few millimeters each year, geologists have calculated ...