You might have heard the term “polar vortex” thrown around during the winter months, but what does it really mean and how ...

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

That polar vortex is also lowering coastal temperatures even further south and,at the Florida Power & Light Company's Riviera Beach plant, manatees are now gathering to keep warm. The most iconic ...

RIVIERA BEACH, Fla. (AP) — A polar vortex that has hit much of the U.S. with ice and snow has dealt a glancing blow to Florida, dropping coastal temperatures and causing the Sunshine State’s ...

"polar vortex" usually refers to the gigantic circular upper air weather pattern in the Arctic region, enveloping the North ...