Thanksgiving is less than a week away which means the fall season is ending. With it comes colder temperatures from an ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, researchers found that two specific patterns in the polar vortex, a swirling ...

Face it — "polar vortex" is fun to say. It sounds like something that could have killed a red-shirted crewmember on the original "Star Trek" television series. Maybe that's why a weather feature that ...

The polar vortex, a high-altitude ring of westerly winds that usually keeps Arctic air locked near the pole, is showing signs of unusual weakening. If that circulation falters or collapses, the result ...

Winter started quickly across most of Canada! Will a classic Canadian winter pattern hold through January and February?

An unusually chilly spring is about to turn even more shocking as cold air, moisture and a visit from the polar vortex team up to trigger way out-of-season conditions for mid-May across portions of ...

From November 2013 - January 2014, a remarkably extreme jet stream pattern set up over North America, bringing the infamous "Polar Vortex" of cold air to the Midwest and Eastern U.S., and a ...

The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the central U.S. The vortex is forecast to provide frigid weather with "a free ride," according to ...

Twisting laser patterns into a corkscrew-like pattern, rather than sending the light beams in a line, promises to relieve some data gridlock, say scientists A bottleneck in data rates is coming, some ...