Millions are struggling through life-threatening cold in the United States of America. The US is facing severe and brutal ...

Meteorologists had predicted that parts of the U.S. would experience the 10th and coldest polar vortex event this season.

Harsh cold descended on the nation's midsection Monday as a polar vortex gripped the Rockies and Northern Plains after winter storms pummeled the eastern U.S. over the weekend, killing at least 17 ...

A lobe of the polar vortex, a ring of freezing air typically found near the North Pole, will once again move into the central ...

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region, enveloping ...

The latest blast of frigid air will linger across the central and eastern U.S. through much of the week while another winter storm will dump heavy snow from the Rockies to souther Appalachians.

But at times some of the vortex can break off or move south, bringing unusually cold weather south and permitting warmer ...

The North Pole has unleashed "a large pool of Arctic air" that’s headed straight to the U.S., setting the stage for "record ...

A cold weather advisory is in effect until noon Tuesday, with wind chills ranging between minus 15 and minus 25 before ...

Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

The biggest batch of record-setting cold temperatures are likely to hit early Thursday and Friday, Orrison said. But North ...

More than 95 million people are facing gripping cold Tuesday as a polar vortex sends temperatures plunging to record levels, ...