According to climate scientists, record levels of Arctic ice in 2025 could increase cold spells in the United States and Europe.

A rare glimpse into the wintry conditions of the Mars north polar vortex has shown that temperatures inside the vortex are far colder than outside, and that the permanent darkness that winter brings ...

Summer may end on a cooler note for parts of the U.S., with meteorologists suggesting that a weakened polar vortex could ...

The polar vortex is beginning to stir, signaling the first signs of seasonal change. Here's when to expect the first frost in ...

Fans in Green Bay suffered through frigid temperatures, thanks to Arctic air that has come southPhoto by Ronald Martinez/Getty Images It’s polar bear weather today for much of the Midwest.

Prepare for a return of frigid weather in March—and April. Prepare for a return of frigid weather in March—and April.AFP—Getty Images Editor at Large You could be forgiven for not noticing that last ...

It's already a lot to endure frigid winter conditions, but what happens when we get an unwelcome visit from an even colder spell of air like a polar vortex? "A polar vortex is simply that: a vortex ...

New Yorkers are already looking to winter and the question remains as to what kind of winter it will be - balmy or bitter?

The past two days proved dismal for Cornell students and faculty, who battled freezing temperatures and wind chills of 29 degrees below zero across campus. As a mind-numbing polar vortex descends on ...

A rare glimpse into the wintry conditions of Mars’s north polar vortex has shown that temperatures inside the vortex are far colder than outside, and ...