This story has been edited to correct an error. Judah Cohen is affiliated with the Massachusetts Institute of Technology. Our old wintertime friend the polar vortex ...

Add Yahoo as a preferred source to see more of our stories on Google. With over 170 million Americans facing below average temperatures, even colder air may be on the horizon thanks to the ...

Another round of bone-chilling air from the polar vortex could invade the central and northeastern US this weekend and potentially produce the first significant snowstorm of the season for the ...

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 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 ...

A shifting polar vortex is expected to bring three waves of Arctic air to the central and eastern U.S. Tennessee is forecast to experience winter weather, including a mix of snow and ice, in early ...

New England is bracing for bitterly cold temperatures as a strong blast of Arctic air rushes into the region on Thursday, sending temperatures crashing to their coldest levels yet this season — into ...

If you’ve ever wondered why winter sometimes flips from mild to brutally cold, the answer might be hiding 20 miles above your head. That’s where a rare atmospheric phenomenon called sudden ...

Northern parts of the United States are seeing colder temperatures following Thanksgiving after record-breaking heat hit many parts of the South last week. But the country could be in for shockingly ...

It seems like you cannot mention cold weather in the fall and winter without coming across the phrase “polar vortex.” Meteorologists often refer to this weather element as a potential culprit behind ...

(NEXSTAR) – A good chunk of the country could be in for cooler-than-average temperatures this Thanksgiving and beyond. The most recent outlooks from the National Weather Service’s Climate Prediction ...