Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds.

A severe winter storm that brought freezing rain, sleet and snow to a large part of the U.S. was intensified by the polar ...

The North Pole is surrounded by a massive circular upper-air weather phenomenon in the Arctic called the polar vortex. It is ...

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

As the U.S. prepares to take on another bout of cold weather, the term "polar vortex" is getting thrown around. But what is ...

"Potentially hundreds of thousands of people may go without electricity and heat for days, one meteorologist said ...

Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States ...

Despite being notorious for bringing brutal cold and dangerous wind chills, the polar vortex has a surprising upside.

If you couldn’t get enough of the cold temperatures in early December, there’s more on the way for Tennessee.

The polar vortex is unleashing an extreme cold wave across the United States, bringing a historic arctic blast, violent ...