The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., threatening to dump snow on parts of Texas and Oklahoma in the coming days and ...

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

Trump won't rule out military use in Greenland, Panama Canal; Jimmy Carter's casket arrives at the US Capitol; Large blaze in Los Angeles prompts evacuations; Polar vortex brings bitter cold to the ...

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

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

The plunging polar vortex is bringing subfreezing temperatures to some of the southernmost points of the U.S. A forming storm ...

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?

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