A polar vortex is a stream of cold air that normally spins around the North Pole ... Arctic air across parts of North America ...

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation ...

Cook, like other Arctic explorers of the day, had assumed that anyone returning from the pole would drift ... traveled only a few days north on the ice cap, and a map on which they were said ...

There's still no word on whether the Barneo camp near the North Pole will open, but elsewhere in the Arctic, several expeditions are underway.

We use imaginary lines to help locate where a place is in the world. the Arctic Circle (the North Pole) the Antarctic Circle (the South Pole) the Tropic of Cancer the Tropic of Capricorn and the ...

The planet's magnetic North Pole, where compasses point ... and is "used by the military to steer submarines through Arctic waters," in addition to playing a role in GPS systems.