Researchers have discovered that the underside of the North American continent is dripping away in blobs of rock—and that the remnants of a tectonic plate sinking in Earth's mantle may be the reason ...

An earthquake-generating chunk of tectonic plate has been discovered beneath Northern California. It’s attached to the bottom of the North American plate like gum stuck to a shoe. Using abundant, tiny ...

North America wouldn’t look much like it currently does without a tectonic plate that has largely been lost to the Earth’s geological history. The Farallon plate, which has since largely vanished ...

Few places on Earth so vividly display the powerful forces shaping our planet as Thingvellir (Þingvellir) National Park in Iceland. This UNESCO World Heritage site marks the meeting point of the North ...