FOX Forecast Center / FOX Weather The polar vortex has returned to the U.S., and frostbite-inducing temperatures are blasting millions of Americans. According to the FOX Forecast Center ...

A group of people walk toward the pedestrian tunnel that connects Hyde Park to Promontory Point as Presidents Day temperatures dropped and stayed cold across the Chicago area on Monday. Tyler ...

I'm Mimi Kiley reporting. The term "polar vortex" usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and ...

It marks the 10th - and coldest - polar vortex this season so far, with pressure systems pushing cold air from the Arctic southwards into North America and Europe. The polar vortex is a large area ...

After hours: February 19 at 4:06:00 PM EST ...

Harsh weather moved west on Monday 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 ...

“Compound interest is the eighth wonder of the world. He who understands it, earns it … he who doesn’t … pays it.” That quote, often attributed to Albert Einstein, perfectly encapsulates ...

Above: A Von Karman vortex street downwind of the Canary Island chain in the eastern Atlantic Ocean off the coast of Africa on Feb. 27, 2015. Image credit: NASA Worldview. Editor's note ...