The polar vortex is expected to reach the Utah-Idaho border sometime in the late afternoon and evening Friday as it continues ...

Florida's manatee population is seeking warmer waters due to a polar vortex, with many gathering near power plants. The species is still recovering from a mass starvation event.

Louisiana is forecasted to have a potential winter storm bringing a surge of cold air late Sunday into early next week.

The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously ...

Why herds of manatees are huddling in water near America's power plants - A polar vortex that has hit much of the U.S. in a ...

Here in the lower Great Lakes Region, we are well-equipped to handle blasts of cold and snow. It’s when the polar vortex ...

A recent study explains how warmer temperatures at the top of the planet destabilize the jet stream and allow colder air to ...

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

A winter storm is aiming at Delaware again. Where the snow will hit is the biggest question. Here's what we know.

Much of the country will be hit with extreme low temperatures over the next week as a polar vortex sends cold air down from the North Pole. Real feel temperatures throughout the northeast ...