The coldest weather of the season to date will be due to a phenomenon called a polar vortex, an upper-level jet stream that ...

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

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.

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 ...

The nine are wanted for either sexual-related crimes — several against children — or homicide and many were last known to be ...

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...

A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this weekend and next week.

According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...

The polar vortex is a ring of cold air that typically circles the Arctic. A strong jet stream essentially acts like a fence, ...

A disruption in the polar vortex is about to send an Arctic air mass from Siberia as far south as Florida. Yes, Siberia—and ...