Cold temperatures are expected to last through the end of the month — and forecasters say that there's a potential for snow ...

A major polar vortex is about to hit the US and could bring weeks of frigid temperatures for millions, with even a chance of ...

WASHINGTON (AP) — Warm Arctic waters and cold continental land are combining to stretch the dreaded polar vortex in a way ...

A Polar vortex has covered the Philadelphia region under a canopy of frigid temperatures, but many people may not realize what a Polar vortex actually is, and the dangers — like frostbite — such ...

The term "polar vortex" seems to be popping up in weather forecasts more and more often, ever since North America got blindsided by a stunningly frigid winter back in 2014. The polar vortex isn't a ...

Three separate rounds of Arctic air have already swept across the central and eastern United States through mid-December, courtesy of a displaced polar vortex positioned near Hudson Bay, Canada. If ...

The big freeze resulting from an Arctic weather phenomenon known as the polar vortex has affected 187 million Americans — more than half the country's population. It was loosening its grip Wednesday, ...