Carbon released from Earth's spreading tectonic plates, not volcanoes, may have triggered major transitions between ancient ...

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

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

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

By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San ...

New research challenges conventional wisdom by demonstrating that mid-ocean ridges and continental rifts, not volcanic ...

Invisible earthquakes are revealing a hidden tectonic puzzle beneath California’s most dangerous fault zone.