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

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

A surveillance camera shakes as a magnitude 6.8 earthquake rocks the northern foothills of the Himalayas near one of Tibet's ...

A polar vortex has triggered freeze warnings across Texas, leading to dangerous conditions for people and infrastructure.

After digging out of Monday's winter storm, will Delaware residents have to do it all over again? Here's the forecast.

According to Texas law, it is illegal to leave your dogs and cats outside without adequate shelter, food, and water. That ...

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.

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 ...