The polar vortex has only recently entered the popular lexicon as something to fear or shiver at each winter: But what is it? Is it a storm that's heading south from the Arctic or perhaps a new ...

Some of the coldest air in years is expected to plunge into the High Plains, Midwest and finally the East in the coming days as arctic air dips down into the Lower 48 for a spell. The mere mention of ...

A strong polar vortex doesn't cause cold weather — it does the opposite. Here's what to know about polar vortices, how they work.

The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...

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 like a ...

Much of the country will be hit with extreme low temperatures over the next week as a polar vortex sends cold air down from the North Pole. Real feel temperatures throughout the northeast, including ...

In yet another sign that winter weather is either here or will be soon, the dreaded polar vortex is making news yet again. Its potential arrival in the United States over the next few weeks is cause ...

Bitter cold is expected across much of the U.S. this weekend. But what do headlines mean when they say a "polar vortex cold snap" is on the way? The polar vortex is a regular feature of Earth's polar ...

Thanksgiving is less than a week away which means the fall season is nearing its ends. So that means cold weather is approaching and with it comes the weather pattern known as a polar vortex. But what ...

SEDONA, Ariz. — The rock formation known as Kachina Woman rises like an obelisk out of a cool green canyon. At its base, more than three dozen women are tucked into crevices in the rust-colored stone, ...

The polar vortex can't be felt in the United States or anywhere on Earth. Brutally cold temperatures are heading to the Midwest and Northeast this week -- but don't mistake this for a polar vortex ...