The polar vortex is essentially a large area of low pressure and cold air surrounding both of Earth’s poles. It constantly ...

The polar vortex is aways around - it just normally stays near the North Pole. But when it descends into our area, get ready for really cold weather.

The polar vortex is a massive area of cold air located high in the atmosphere, typically spinning over the north pole.

"Polar vortex" headlines have grabbed attention in recent winters, but such atmospheric phenomena aren't out of the ordinary, a local meteorologist tells Axios. Why it matters: Weather like this ...

The polar vortex is a massive area of cold air located high in the atmosphere, typically spinning over the north pole. Imagine it as a giant, icy whirlpool far above the Earth, keeping frigid ...

Most of the U.S. 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 weekend.