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 ...

Around a billion years ago, a geological event occurred in North America that could have completely changed the continent as people know it. This event could have split the North American continent in ...

THE student has often to regret that the aboriginal peoples of the American continents left no records which tell us anything concerning their physical history. The convulsions which affected these ...

North American Beaver at Carburn Park in Calgary, Alberta. Credit: Chuck Szmurlo, Wikimedia Commons Attribution 2.5 The American beaver, Castor canadensis, nearly didn’t survive European colonialism ...