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

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

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 ...

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

Learn about the movement of tectonic plates off the coast of northern California, a process that could incite major ...

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

Earth's crust today has a surprisingly similar composition to the planet's first outer shell, or "protocrust," new research finds. This early rocky shell featured chemical signatures previously ...

Scientists are uncovering a hidden and surprisingly complex earthquake zone beneath Northern California by tracking swarms of ...

This piece is part of a special project on deep time examining what the Western U.S. was like thousands, millions and even billions of years ago, and how that history is still visible and ...

Tiny earthquakes have revealed potentially deadly hidden faults beneath California. By tracking swarms of very small tremors, ...

Tremors beneath Northern California show hidden plate movement, helping scientists better understand where future big ...