The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest ...

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 ...

The first cold wave will reach the East Coast on Thursday, followed by another surge of frigid air this weekend and more next ...

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

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

Year-round, severe, Artic air is usually kept tightly contained in the North Pole. Arctic wind patterns create a sort of wall ...

The polar vortex is a large area of low pressure and cold air surrounding both of the Earth’s poles. It ALWAYS exists near ...

Major cities across the Northeast and Midwest are facing temperatures 10-20 degrees below average, according to forecasters.

Don't let the incoming string of relatively warm days in the greater Philadelphia region fool you; the polar vortex is still around.

With over 170 million Americans facing below average temperatures, even colder air may be on the horizon thanks to the ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around the poles, making winter weather more chaotic.

Over the years, passing spacecraft have observed mystifying weather patterns at the poles of Jupiter and Saturn. The two ...