The polar vortex is making a return to the forecast, but the counterintuitive weather feature is nothing to fear.

In a month when a meteorologist said the polar vortex is ramping up, slightly less than half of Kansas has seen its first ...

CLEVELAND — High above the Arctic, swirling like a giant icy crown, the polar vortex is a permanent feature of our atmosphere ...

Bitingly cold Arctic air keeps pummeling the U.S. with ruthless cold snaps—despite warming winters nationwide. A study explains why: the solution lies far above your head, in the upper atmosphere ...

The polar vortex is beginning its seasonal strengthening, signaling a gradual shift toward cooler weather. Frost advisories were issued in parts of the Great Lakes region, New York, and New England as ...

TV weather presenter John Hammond, who has worked for the BBC and Met Office, told Daily Mail: "These high-level westerly winds, which circle the North Pole in winter, are usually strong and help to ...

Temperatures are staying relatively warm throughout Illinois this week, despite fall officially starting Sept. 21. But residents in the state know that when the cold kicks off in Illinois, it comes ...

We don't condone frolicking outside during this ongoing Coldmageddon, nor do we approve of playing games with boiling water, but these videos of other people having fun with science, freezing ...

In an early sign of the winter weather that's coming, the dreaded polar vortex is making news yet again. The polar vortex is "ramping up from its summer slumber," said meteorologist Judah Cohen in an ...