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

Ranked dead last, or perhaps not mentioned at all, would probably be the only state that sits partly within the Arctic Circle ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...

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

According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

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

January is shaping up to be the coldest in a decade as the polar vortex dips south across the eastern half of the United States — shocking a nation that has enjoyed an unusually balmy end of the ...

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar vortex invades the nation ... the ceremony will be held inside the United ...

A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into ...

The National Weather Service has advised the public to check the forecast for their area on weather.gov to ensure they are dressed appropriately. The agency said that while there is no cause to be ...

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