Three separate rounds of Arctic air have already swept across the central and eastern United States through mid-December, ...

Those struggling with high heating bills due to relentless cold and sore backs from shoveling snow in the Midwest and ...

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

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

Winter hasn't even officially started, but parts of the country are already bracing for what could feel like the deep freeze ...

The polar vortex is so back, and in some parts of the country, the weather system will bring with it up to a foot of snow. If “polar vortex” is giving you déjà vu, that’s because we’ve heard it before ...

In yet another sign that winter weather is either here or will be soon, the dreaded polar vortex is making news yet again. Its potential arrival in the United States over the next few weeks is cause ...

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 ...

A long, looping filament of plasma snapped over the sun's north pole, creating a 'polar vortex' that scientists can't explain. When you purchase through links on our site, we may earn an affiliate ...