Seismic tremors reveal a shallow fragment of ancient tectonic plate beneath Northern California, helping explain damaging ...

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

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

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

Three of the great tectonic plates that make up the Earth’s crust meet at the Mendocino Triple Junction, off the Humboldt ...

In the heart of Asia, deep underground, two huge tectonic plates are crashing into each other — a violent but slow-motion bout of geological bumper cars that over time has sculpted the soaring ...

Scientists used satellite data to confirm that Earth's crust is "dripping" into the mantle beneath Turkey's Central Anatolian ...

Spain and Portugal are taking a turn. The Iberian Peninsula sits on a boundary between two large tectonic plates that are ...

The Earth with the upper mantle revealed. Researchers at The University of Texas at Austin have discovered a previously unknown layer of partly molten rock in a key region just below the tectonic ...

Scientists have discovered a new layer of partly molten rock under the Earth's crust that might help settle a long-standing debate about how tectonic plates move. Researchers had previously identified ...

A new study carried out on the floor of Pacific Ocean provides the most detailed view yet of how the earth’s mantle flows beneath the ocean’s tectonic plates. The findings, published in the journal ...

Earth is estimated to be 4.5 billion years old, but understanding when it evolved from a sizzling hot ball to a planet that could host life is a little more difficult. Earth is estimated to be 4.5 ...