Parts of ancient Earth may have formed continents and recycled crust through subduction far earlier than previously thought.

New research shows that a fragile clay layer beneath the Japan Trench played a key role in the extreme seafloor movement ...

The North American craton actually dips near the Rockies rather than forming a sharp vertical step as previously believed.

The concentration of salt in the ocean doesn’t change much, so plant and animal life don’t have anything to worry about, ...

Beneath the rolling surface of the North Atlantic, the seafloor drops into a chasm so vast it rivals, and may even exceed, ...

Three huge tectonic plates meet at the Mendocino triple junction off the coast of northern California, and a new study reveals that the underlying geology is significantly more complex than current ...

Insured damage estimates for quakes in Vancouver and Montreal could be much higher than industry estimates suggest.

Minor earthquakes happen in and around New York more often than many people realize. This map shows where they've struck over the past decades - and how close some may have been to you.

We are fortunate to have an amazingly diverse collection of rocks waiting to be recognized and appreciated. Each beach rock tells a rich story—from its initial formation, often deep within the Earth, ...