"Nuisance Bear," from A24, follows the story of polar bears in northern Manitoba, highlighting the complexities of ...

A chilling polar vortex is set to bring snow and ice to the South and East this week. We show where.

When the polar vortex breaks, Artic air come south. Here's what to know right now.

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in ...

The worst of the sleet and ice should be over by Tuesday, but you can expect cold temperatures to hang around for the next ...

A shift in the polar vortex has forecasters watching closely as the coldest air of the season approaches. Here's what to know ...

The big winter (and popular) topic is dusted off very early this season as frigid air plunges south next weekend. But what is ...

La Niña continues as one of the leading playwrights of U.S. weather this winter, helping guide the jet stream and ...

Meteorologists are currently monitoring a massive atmospheric anomaly as a significant disruption of the polar vortex begins to take shape this January. Researchers describe the current movement as ...

A polar vortex is expected to bring two surges of extremely cold air to the U.S. in January. Here's what to know in Middle ...

Ben Gelber, a meteorologist for NBC4 in Columbus, Ohio, and a Pocono native, said the polar vortex is a large, circular pool ...