A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...

The 14 Most Scientifically Accurate Sci-Fi Movies World's largest telescope threatened by light pollution from renewable ...

Most of the nation is in good shape on Wednesday and will be warmer on Thursday. The arctic air is coming, but not yet. The ...

The polar vortex is a long-established weather term ... To the west of that plunge, in California, it's hot and dry. But to the east and just above the dip, it's a taste of the North Pole.

An arctic air mass settled over New York City and much of the country Sunday evening, bringing a deep freeze and the chance ...

NEW ORLEANS (AP) — The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another ...

Millions across the South brace for a rare winter storm as much of the U.S. faces life-threatening cold that forced the ...

A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.

A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this weekend and next week.

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is about to bring even harsher arctic blast to nearly 300 million Americans starting this weekend. Maps show where and ...