When Maureen Long talks to the public about her work, she likes to ask her audience to close their eyes and think of a ...

The oldest crust on Earth, known to be unchanging, is actually being altered in real time. The North American continent is ...

Most of the Farallon plate was eventually shoved beneath North America. Its remnants linger in the lower mantle, some 800 kilometers below Earth’s surface, and indeed showed up in the cross ...

The oldest crust on Earth, known to be unchanging, is actually being altered in real time. The North American continent ... Geologists can "observe developments in close-to-real-time by tracking ...

More of North America’s Craton lies in Canada ... Cratons didn’t get to be most of the age of the Earth by buckling to every washed-up former oceanic plate that comes along.

With "The Americas," the latest nature documentary to grace our screens, filmmakers have captured two of the most enduring treasures the planet has to offer: stunning natural vistas and the calming ...

Around 10,000 years ago, as the last Ice Age drew to a close, the drifting of the continent of North America, and spreading ...

An analysis of North America’s fossil record for the 18 million years before dinosaurs disappeared suggests the prehistoric ...

The oldest parts of ... can hold up for billions of years. But there also seem to be changes that may occur in cratons, which could involve the removal of many layers of rock, and may disrupt their ...

It’s a long-standing debate in paleontology: Were dinosaurs thriving when an asteroid hit Earth one fateful spring ... “We gridded up North America into a big spatial grid (and determined ...

North America is dripping—with sizable blobs of rock sinking from the underside of the continent, beneath the U.S. Midwest, into the Earth's mantle ... data and build up a computer model of ...