By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San Andreas fault meets the Cascadia subduction zone, an area that could give rise ...

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 ...

A hidden chunk of an ancient tectonic plate is stuck to the Pacific Ocean floor and sliding under North America, complicating earthquake risk at the Cascadia subduction zone.

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

We won’t feel it in our lifetime ...