A combination of weather conditions may make it colder than usual across parts of the Central and Northern U.S. next week.

The phrase “historic polar vortex” evokes a country locked in ice from the Great Lakes to the Gulf, but the most reliable ...

Polar vortex disturbance is causing frigid Artic air to surge southward, bringing cold temperatures and possibly snow to many ...

A rare stratospheric warming event high above the Arctic could disrupt the polar vortex and send colder air toward Texas in ...

Over the next 10 days, scientists say, changes in the stratosphere will upend weather patterns and set the stage for a cold, snowy December across parts of the Northern Hemisphere.

Some forecasters say a complex dance involving the polar vortex could send some of Earth's most extreme cold toward the ...

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 ...

But the country could be in for shockingly cold weather soon as the polar vortex creeps down from the North Pole and across large swaths of the country. But for the Deep South, it will likely catch a ...

A polar vortex — a large area of low pressure — is heading south from the Arctic, bringing with it cold weather across many ...