The polar vortex of ultra-cold air usually spins around the North Pole, but it sometimes plunges south into the U.S., Europe ...

Hundreds of car crashes were reported across several states, some of which led to motorist deaths. One person also froze to ...

The video shows a wall of snow and ice plunging at breakneck speed down a mountain in Little Cottonwood Canyon, Utah, roughly ...

Frigid air that normally stays trapped in the Arctic has escaped, plunging deep into the United States for an extended visit ...

It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it?

The polar vortex has triggered freeze warnings and advisories across Texas, threatening human safety and infrastructure.

Parts of all states in the lower 48 woke up to subfreezing temperatures Tuesday due to a weather pattern that will keep ...

Temperatures plunged into the teens and single digits in some spots, and the snow-dusted winds are driving the wind chill ...

A huge swath of the United States was blasted with ice, snow, and wind on Monday as the polar vortex that dipped south over ...