A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.

A polar vortex that has hit much of the U.S. with ice and snow has dealt a glancing blow to Florida, dropping coastal ...

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.

Recently winter storms covered much of the United States and that includes southern states like Florida. That polar vortex is ...

(AP) — A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south ... threatening a freeze in Florida and causing people in Dallas to dip ...

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 ...

However, the especially low temperatures seen in parts of the US this month can be partially attributed to another phenomenon: the polar vortex. The polar vortex is a low-pressure system of cold ...

(AP) — The plunging polar vortex brought subfreezing temperatures ... Parts of southeastern Georgia and northern Florida endured unusually frigid temperatures overnight into Tuesday and were ...