After enjoying a brief period of warmth, the United States, including the southeast is once again facing a bitter cold ...

The polar vortex, as explained by the National Weather Service, is a large area of low pressure and cold air that encircles ...

The polar vortex hit its peak across much of America on Wednesday, with an icy grip that made Arctic Greenland seem like a ...

The polar vortex has returned to the U.S., and frostbite-inducing temperatures are blasting millions of Americans.

Douglas McIntyre, Editor-in-Chief at Climate Crisis 24/7, reports that the polar vortex is plunging temperatures to record ...

The arctic outbreak that has enveloped the central U.S. is hitting its peak Thursday as frigid temperatures continue to ...

BISMARCK, North Dakota — More than 95 million people in the United States were facing numbing cold on Tuesday as a polar ...

Cold air originating from the Arctic Ocean was dislodged earlier this week and spilled south across the United States. As a ...

Harsh weather moved west as a polar vortex was expected to grip the Rockies and the northern Plains after winter storms pummeled the eastern U.S. over the weekend, killing at least 10 people, includin ...

Old Man Winter will begin to ease his icy grip on much of the central and eastern United States in the coming days and weeks, but there will still be some periodic outbursts from the Arctic, ...