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

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

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

The National Weather Service has issued extreme cold warnings for millions of Americans from the Canadian border to Texas.

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

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 latest arctic blast will move into the northern Rockies and northern Plains Saturday and spread to the central and ...

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

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.

More than 95 million people are facing gripping cold Tuesday as a polar vortex sends temperatures plunging to record levels, ...