North America is the third largest continent in the world. It is located in the Northern Hemisphere. The north of the continent is within the Arctic Circle and the Tropic of Cancer passes through ...

a fragment of Rodinia had shuffled south of the equator, where it lay quietly for tens of millions of years. That fragment is the heart of what we know today as eastern North America. Then ...

The seven continents are Africa, Antarctica, Asia, Europe, North America, Oceania and South America — but some experts argue that there could be less. "There is a question as to what exactly ...