New research suggests that Earth's first crust, formed over 4.5 billion years ago, already carried the chemical traits we associate with modern continents. This means the telltale fingerprints of ...

Beneath the American Midwest, part of the continent is gradually losing its foundation. This slow geological phenomenon, ...

Researchers have identified a section of ancient oceanic crust beneath the Midwest that is pulling present-day North American crust into the mantle.

Scientists have long thought that tectonic plates needed to dive beneath each other to create the chemical fingerprint we see ...

Research results showed Earth’s earliest crust – known as the protocrust – that formed during the Hadean eon, would have a chemical composition identical to that of the modern average ...