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

On March 9, the polar vortex wobbled and then snapped back the other way as mighty winds, suddenly shifting from the west to the east - something that typically happens once a year - usually in the ...

Here, deep into the Arctic Circle and midway between Norway and the north pole, he is investigating the health of the ...

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 ...

Peary, for his part, made another attempt to reach the North Pole in 1905-06, his sixth Arctic expedition. By then, he had come to think of the pole as his birthright. Any endeavor to reach the ...

The Arctic polar vortex is a circle of strong, cold winds that picks up every winter over the North Pole. The vortex is always present, but it strengthens in the winter due to a redistribution of ...