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

Forecasters have told homeowners to brace for a new ice storm after predicting that the polar vortex would 'split' off and ...

The vortex is essentially an area of low pressure in the upper layers of the atmosphere over the polar region up north. This ...

It's like "bomb cyclone" or "firenado." It seems like the sort of phenomenon that would be responsible for the record-breaking blast of cold, snow and wintry conditions that reached all the way to the ...

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

As we continue to warm moving into February, it appears latest trends suggest a classic "what goes up, must come down" type ...

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

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

That’s the case of the Polar Vortex disruption coming over the next week or so. Here it is easy to see the rotating storm shifting south to just northeast of Michigan. Often this storm will move ...

Americans have been warned to brace for more winter storms as Arctic winds are set to dump more ice and snow amid freezing temperatures.

Georgia has officially seen snow. But as the next cold front arrives, will the state see more? Here's what you need to know.

Europe may be in for another cold blast like the one that surprised forecasters and sent gas prices soaring last week, with the potential weakening of winds that keep frigid air confined to the Arctic ...