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

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.

Arctic air will return to Texas over the weekend, bringing below-freezing temperatures, low wind chills and the chance of wintry precipitation again.

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 ...

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 ...

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

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 this week began ...

A mass of air called the polar vortex has escaped the Arctic and plunged southward. Some scientists see the fingerprints of ...

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 ...

DALLAS (AP) — An area stretching from Texas to Tennessee braced Wednesday ... week prepared to go another round with the plunging polar vortex. Arkansas' capital, Little Rock, closed schools ...