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

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

A winter storm descending on the US is expected to deliver heavy snow and ice to more than 150 million people across roughly ...

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

Tens of millions of people are in the path of a major winter storm. Federal cuts threaten efforts to understand the causes of such weather.

After this weekend's snow storm moves out, cold Arctic air will move in.

A snowstorm and harsh winter weather have impacted at least 177 million people across the US ...

As a winter storm approaches Western North Carolina and other regions, here's what to know about deciphering forecaster terms ...

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in ...

The polar vortex is a large and very cold area of low pressure that surrounds the poles. It always exists, but it becomes stronger and more defined during the winter months. The stratosphere, where ...

(WNDU) - A polar vortex hitting Michiana could bring problems for homeowners as frozen water pipes can happen quickly under ...

Alabama braces for another polar vortex blast bringing well below freezing temperatures. How cold will temperatures get? Here ...