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

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

The polar vortex is within the stratosphere. Because of the lack of sunlight, both the Earth's poles have substantially cooler temperatures than the equator. This means the air at the poles gets ...

It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it and how does it impact our weather? The polar vortex is ...

Most of the US will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send temperatures tumbling below freezing for most of the nation starting this ...

Much of the country is in for widespread and dangerously cold temperatures beginning this weekend — and lasting through much of next week — as a lobe of the polar vortex over northern ...

Satellites orbiting the Earth have captured the effects ... The satellite image is a stark visual representation of the results of the "polar vortex" weather system on the U.S., where it sparked ...

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