Tiny zircon crystals are revealing that Earth’s earliest history may have included surprisingly complex tectonic activity.

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

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

“If we don’t understand the underlying tectonic processes, it’s hard to predict the seismic hazard,” said co-author Amanda Thomas, professor of earth and planetary sciences at UC Davis. Three of the ...

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

Why did the 2011 earthquake in Japan cause such a massive tsunami? This disaster, one of the deadliest in modern history, had ...

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

Seismologists Discover Hidden Faults Beneath One of the U.S.'s Biggest Earthquake Hotspots ...

Our planet was once a harsh, alien, icy world. Yet this deep freeze may have shaped you, me and all life on Earth ...

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.