Winter, which is warming faster than any other season for much of the US, seems to be making a comeback for the first time in ...

The polar vortex's icy grip on much of America has Arctic Greenland seeming like a toasty vacation spot by comparison.

An Arctic blast tied in part to the polar vortex is driving record frigid air south from the Northern Plains toward the Gulf ...

"An Arctic air mass is expected to plunge into the Central U.S. this week, with high confidence for widespread, ...

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a ...

The polar vortex has returned to the U.S., and frostbite-inducing temperatures are blasting millions of Americans.

After a winter storm brings snow, ice to several states, Mississippi will see Arctic air from the polar vortex for a few days ...

The arctic outbreak that has enveloped the central U.S. is hitting its peak Thursday as frigid temperatures continue to ...

Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

The polar vortex is not synonymous with cold snaps, but when it slides toward the United States, the polar jet stream can ...

Meteorologists had predicted that parts of the U.S. would experience the 10th and coldest polar vortex event this season.

The sudden winter chill came thanks to the polar vortex, an area of low pressure and cold air in the Arctic near the North Pole, that has taken hold over parts of the country, meteorologists say.