A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation shows the vortex also moved away from the Arctic towards Europe. A major ...

ANCHORAGE, Alaska— The Biden administration issued a final rule today allowing oil and gas companies operating in the Beaufort Sea and Western Arctic to harass polar bears and Pacific walruses when ...

The Polar Vortex in the upper atmosphere has disintegrated after the intense warming of the stratosphere in mid-March. Currently, its remains are traveling eastward across Canada to the United States.