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 ...

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 ...

The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's ...

A cold front rolling into the East Coast from Siberia will hit a large portion of the United States this weekend, causing a central polar vortex just a few weeks after an Arctic blast hit the US.

Millions of people across the U.S. will experience subzero or below-average temperatures in the coming days as a polar vortex coming from Siberia will usher in a new cold front. The Rockies ...

Another polar vortex disruption will stretch Arctic air across ... Up to 280 million Americans will have a day or two where it's colder than Anchorage, Alaska, said private meteorologist Ryan Maue.

Extreme cold and snow smacked the Gulf Coast states this week, but the polar vortex may not be to blame.

This will be due to a polar vortex, an area of strong winds that encircle the Arctic and typically keeps the coldest air locked near the Pole, according to the FOX Forecast Center. This weekend ...