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

While scientists say that there is not evidence that extreme cold is becoming more frequent or intense, a growing body of research is finding that rising temperatures in the Arctic are weakening ...

The weather flow is gradually changing now and as we head into early February. Our storm systems will come from the west and ...

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

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

It’s been warmer in Alaska than in three dozen other states. If someone asked you, “Where can I go in the United States to ...

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

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

Anytime we get an Arctic air blast down this far south, this is an artifact of the polar vortex rearing its ugly head,” said ...

Arctic air has brought chilling temperatures as low as 12 degrees in New York City on Monday night but are we in a polar ...

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

The D.C. area is wrapped up in a polar vortex, and this cold weather can wreak havoc on your plumbing if you’re unprepared.