The Polar vortex is causing temperatures to plummet dangerously across the Philadelphia region, and frostbite could become a ...

As we head into the polar vortex, meteorologists are calling for up to a foot of snow in some parts of the U.S.

Arctic wind patterns create a sort of wall around the pole that prevents frigid air from trickling southward. That wall that ...

Thanks to the polar vortex, the first half of December will bring multiple waves of Arctic air to the U.S. Here's what to ...

The tail end of a snowstorm is creating freezing fog across Virginia and the state is set to experience another blast of icy ...

A strong polar vortex doesn't cause cold weather — it does the opposite. Here's what to know about polar vortices, how they ...

High above the North Pole, about 10 to 30 miles above Earth’s surface, sits a massive whirlpool of icy air known as the polar ...

Boston saw overnight lows in the teens, hitting 13 degrees, tying a century-old record for coldest Dec. 5 morning.

Frigid Arctic air is pushing south into the United States, and fortunately, it doesn’t look like freezing temperatures will ...