With last week's freeze being the second time temperatures dipped below freezing this winter, many are wondering if this ...

Experts have shared their insights on the 'complex' weather phenomenon amid fears it could leave vast swathes of the country ...

Storm Blair has hit most of the U.S., bringing freezing temperatures to Texas. Precipitation later this week could mean snow for some areas.

A rare "daughter polar vortex" is set to plunge millions of Americans into freezing temperatures as a prolonged period of ...

About a week after a polar vortex brought snow and freezing temperatures to Texas, another cold snap is expected in time for the MLK holiday weekend.

The Polar Vortex Readies to Dump Snow on Texas and Its Neighbors DALLAS (AP) — An area stretching from Texas to Tennessee braced Wednesday for the expected arrival of freezing rain and snow, as some ...

DALLAS (AP) — An area stretching from Texas to Tennessee braced Wednesday for the possible arrival of freezing rain and snow even as some other parts of the U.S. hit by the plunging polar vortex ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

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

Cold air from the arctic sometimes dips southward across the American plains. What to know about the polar vortex.

The polar vortex of ultra-cold air usually spins around ... store as he loaded his fourth order of the day into his car. Texas Gov. Greg Abbott said Wednesday that the state had deployed several ...