From hundreds of miles above Earth, the brutal polar vortex that gripped the Great Lakes turned into something strangely beautiful. A satellite view captured ghostly spirals of ice curling across Lake ...

Greetings from Ice Planet Hoth. Indeed, much of the eastern United States resembles the fictional frozen Star Wars world, and now folks there are now enduring some of the worst cold on Earth: "The ...

Every winter, millions of people brace for news about the polar vortex - that vast, spinning mass of frigid Arctic air high in the stratosphere that occasionally escapes its usual boundaries and ...

Our old wintertime friend the polar vortex is set to funnel bitterly cold air south from Canada two more times in January, once over this last weekend and again about a week later. “This first shot of ...

A mass of Arctic air from Canada is bringing brutally cold temperatures to the northeastern United States. New Hampshire is under an Extreme Cold Watch, with wind chills expected to reach 20 to 30 ...

A mass of Arctic air from Canada is bringing brutally cold temperatures to the northeastern United States. Vermont is under Extreme Cold Warnings, with wind chills expected to reach 20 to 40 below ...

Michigan and the Great Lakes are bracing for another cold shot later this month — down to single digits in places — as a polar vortex split in the stratosphere nudges frigid Arctic air southward.

A major winter storm is impacting much of the nation east of the Rocky Mountains. The storm's intensity is caused by a combination of a stretched polar vortex, a wavy jet stream, and moisture from the ...