A major disruption to the Arctic polar vortex has bumped the ring of wind that circles the North Pole off its perch and towards Europe, a new animation shows. The migration could trigger ...

Scientists are investigating how rising temperatures at the North Pole may be disrupting the polar vortex, allowing arctic ...

A significant and rare polar vortex shift is currently unfolding in February 2026, triggering extreme winter conditions across the US, Europe, and Canada.The “exceptional” ...

A winter buzzword, explained.

A rare glimpse into the wintry conditions of the Mars north polar vortex has shown that temperatures inside the vortex are far colder than outside, and that the permanent darkness that winter brings ...

CLEVELAND — The temperature outside was so cold that your fingers, toes, nose and cheeks felt like they were burning. A harsh Arctic cold wave brought record-breaking temperatures to the United States ...

This winter’s harsh run in the East is intensifying, with some of the coldest air so far this season plunging into Vermont this weekend.

New York is bracing for the coldest air of the winter this weekend, with snow. Learn how the polar vortex is involved.

Snow and blowing snow will continue across Michigan as an Arctic cold front moves through the state. In the Upper Peninsula, ...

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. When you ...

A schematic of temperature measurements shows how it is 40 degrees Celsius colder inside the north polar vortex (indicated by the yellow line) compared to outside the vortex. A rare glimpse into the ...