COLUMBUS DAY” is our annual federal holiday established in 1971 and observed on the 2nd Monday in October (October 12 this ...

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 ...

Many people grow up learning that Columbus discovered America in 1492. In reality, the story is far more complicated. Archaeological evidence suggests that Norse explorers reached parts of North ...

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 ...

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 ...

So many books have been written about the European exploration and conquest of North America that it’s too easy to approach Peter C. Mancall’s newly published “Contested Continent” with an exasperated ...