An ancient slab of Earth's crust buried deep ... The slab's pull has created giant "drips" that hang from the underside of the continent down to about 400 miles (640 kilometers) deep inside ...

With these geological processes, continents broke apart. Occasionally, we find remnants of ancient continents. Scientists have been searching for one of these, called Argoland, for decades.

As these ancient continents approached one another, the ocean between them was destroyed, leaving behind the Caledonian–Appalachian mountain belt to mark the join. These tectonic ideas have ...

Beneath the crust of North America, scientists have found that the deep roots of the continent are slowly dripping away in ...

A groundbreaking discovery reveals “metal highways” beneath ancient continents, transporting vital resources like copper and cobalt for a sustainable future. Led by Dr. Chunfei Chen ...

Explore how North America is changing as its deep cratonic root thins and pieces are dripping into the Earth's mantle.