A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

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 U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend ...

These type of polar vortex disruptions — stretching or moving entirely out of the North Pole — are happening more frequently, ...

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

The polar vortex is a low-pressure system of cold air that swirls above Earth’s poles. There’s one over the South Pole in ...

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

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

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

Several governors across the US issued warnings to residents to stay at home and off the road as the polar vortex struck deep ...