A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...
The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously ...
Under the Rotunda of the U.S. Capitol, Donald Trump was again inaugurated, this time as the 47th president of the United ...
A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.
WASHINGTON — Get ready for extreme cold weather in D.C. and most of the U.S. over the next few days. The polar vortex has ...
These conditions are all thanks to a familiar sounding occurrence: the polar vortex, a large area of low pressure and cold air that surrounds the Earth's poles. The "vortex" is the ...