The label applies to the country, but also two whole continents. Our claim over it is yet another way for us to annoy the ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers have discovered that the North American continent is slowly losing rock from its underside in a process called ...

Growing up, most of us learned that Earth is home to seven continents. But it may be time to rewrite the geography textbooks, as a controversial study now claims there are actually only six continents ...

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 ...