Norwegian explorer Erling Kagge completed the “Three Poles Challenge,” becoming the first person to reach the North Pole, South Pole and summit of Mount Everest on foot — without using dogs, supply ...

Arctic air gripping the Plains has broken cold-weather records in North Dakota. The capital city of Bismarck dropped to minus ...

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and keeps some of the coldest ...

A new book explores how one biologist’s work at the North and South Poles changed the way he sees the world and our place in ...