A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by treacherous conditions.

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 ...

Countries around the world have nuclear capabilities and the US is no different - with a map revealing the areas in America ...

NORAD is once again tracking Santa's journey around the world on Christmas Eve using radar and satellite technology, ...

Intense wildfires in Canada have sparked pollution alerts across swathes of North America as smoke is blown south along the continent's east coast. Toronto, Ottawa, New York and Washington DC are ...