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 manatee popula ...

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 ...

ANNAPOLIS, Md. (AP) — A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend kept much of the country east of the Rockies ...

This cold wave, fueled by large-scale pressure changes and a disruption of the polar vortex, is expected to bring the coldest air of the season. The southeastern United States could experience ...

A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend kept much of the country east of the Rockies in its frigid grip ...

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 ...