The Upper Midwest and Northern Plains have been hit by Canada's freezing temperatures. On Thursday, Dec. 4, wind chills ...

High above the North Pole, about 10 to 30 miles above Earth’s surface, sits a massive whirlpool of icy air known as the polar ...

The NOAA-NASA analysis published on November 24 confirms that the ongoing controls established by the Montreal Protocol and ...

Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, ...

The phrase "polar vortex" has captured public attention and is now often misused to describe short-term bouts of frigid ...

A phenomenon capturing the attention of many on social media could lead to bitter cold in parts of the U.S. around and after ...

A harsh drop in temperatures is being delivered to the eastern two thirds of the country thanks to a polar vortex dipping down from the Arctic. Record cold high temperatures on Monday and Tuesday are ...

Next week's pre-winter arctic plunge might be a sign of things to come for the Eastern U.S., as several key weather patterns will converge to bring early bone-chilling cold and potentially more ...

The "polar vortex" talk becomes really popular each year. It usually doesn't surface until winter. Still, this season, the eastern U.S. is getting a shot of frigid air as this infamous polar vortex ...