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

The long-range data shows we may be done with a true Arctic air mass similar to what we experienced in January. But we ...

It's like "bomb cyclone" or "firenado." It seems like the sort of phenomenon that would be responsible for the ...

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

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...

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

A brutal polar vortex is set to bury the Big Apple in snow Sunday and then deliver deadly single-digit temperatures that will ...

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

Like much of the U.S., Wisconsinites woke up Tuesday morning to bitter cold conditions. Many schools and colleges throughout ...

Winter is making its presence known in New York City, as the polar vortex is bringing brutally cold temperatures to the ...

A polar vortex is bringing arctic air into the country next week. Forecast maps show when freezing temperatures will sweep ...

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