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

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

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?

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

Parts of all states in the lower 48 woke up to subfreezing temperatures Tuesday due to a weather pattern that will keep ...

Polar vortex brings subfreezing temperatures, snow to southern U.S., causing power outages and travel disruptions.

Winters are getting warmer across New England, that we know. So when we do get a frigid blast of subfreezing weather like ...

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 ...

South Florida faces an Arctic blast and polar vortex. Will this cold snap lead to an ultimate measure of cold weather here?