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

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

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

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

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

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

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

While Phil may see his shadow Sunday, forecasters haven't seen theirs. On average, February is Philly's snowiest month.

As the Arctic rapidly warms, the temperature difference between the polar region and lower latitudes decreases, which weakens ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

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