Not all discoveries are the work of scientists and explorers. Sometimes it's just a guy out in the woods looking for a bit of ...
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 crust of North America, scientists have found that the deep roots of the continent are slowly dripping away in blobs of rock.