A polar vortex collapse could bring extreme cold and travel disruptions to North America and Europe in mid-March. Follow ...

A 'polar vortex collapse' is set to plunge the United States back into the frigid weather much of the country suffered ...

A polar vortex collapse is predicted to hit over the coming weeks, resulting in severe winter weather and travel disruptions throughout North America. Parts of the US and Canada are predicted to see ...

It’s really, really cold again – as the US shivers through at least the eighth blast of air from the Arctic this winter. Here ...

Weather analysts are divided over the polar vortex’s influence on weather and what that means for the rest of this year’s winter.

Is this stream of cold air "a polar vortex?" Not in the truest sense of the word, scientists say. This week the actual polar vortex, which lives in the stratosphere, may be helping to steer the polar ...

WASHINGTON — The polar vortex hit its peak across much of America on Wednesday, with an icy grip that made Arctic Greenland ...

The polar vortex has taken on an unexpected pattern this winter — one that’s made part of the United States the most unusually cold place on the planet, at least so far this year. While the ...

January and February have been colder than normal in Rochester this year One reason its so cold in Rochester is a distortion ...

It’s really, really cold again — as the US shivers through at least the eighth blast of air from the Arctic this winter. Winter, which is warming faster than any other season for much of the ...

The polar vortex, as explained by the National Weather Service, is a large area of low pressure and cold air that encircles ...