The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., ...

As overnight temperatures dip into the teens and 20s this week, Gov. Dan McKee’s administration on Monday night opened two ...

As the cold front moved southward Tuesday, it prompted a cold weather advisory for the Gulf Coast and pushed temperatures ...

A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend ...

If you're braving the cold during the polar vortex that's skating across much of the US right now, you're probably looking ...

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

These type of polar vortex disruptions — stretching or moving entirely out of the North Pole — are happening more frequently, ...

It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it?

The polar vortex has triggered freeze warnings and advisories across Texas, threatening human safety and infrastructure.

Temperatures plunged into the teens and single digits in some spots, and the snow-dusted winds are driving the wind chill ...

The polar vortex is a low-pressure system of cold air that swirls above Earth’s poles. There’s one over the South Pole in ...