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 ...

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 ...

Now, a new paper suggests that the Farallon plate is still making its presence felt far from the coasts, powering one of ...

Disregard what you learned in geography class—Earth may not have seven continents after all. From the earliest of grades, schoolchildren around the world have memorized the same lineup: Africa, ...

Ray Suarez talks with author Anthony DePalma about his new book "Here: A Biography of the New American Continent," about the North American neighbors of the United States. Well, there's no biography ...