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 ...

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 ...

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 ...

Freezing weather is expected to hit the eastern US in the coming days as the polar vortex moves. Temperatures are expected to remain below average for the south-east and East Coast through the ...

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 ...

WE’RE TALKING ABOUT POLAR VORTEX. LIKE TEMPERATURES. THAT’S RIGHT. JACK. WE WERE MAKING THAT JOKE YESTERDAY TO A BALMY 21 THIS MORNING. BUT AS WE HEAD INTO THE WEEKEND, ESPECIALLY NEXT WEEK ...