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

The National Weather Service (NWS) has issued urgent weather warnings for several counties across the state, with temperatures dropping below freezing and wind chills reaching dangerously low levels.

A polar vortex that hit much of the U.S. with ice and snow has dealt a glancing blow to Florida and its manatee population.

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

The Florida Panhandle could see a brief period of snow or ice next week, if the right conditions combine. Bottom line: Cold temps coming.

Abundant cloud cover and rain will keep overnight temperatures more mild, with lows in the 50s and 60s throughout Central Florida.

A polar vortex that has hit much of the U.S. with ice and snow has dealt a glancing blow to Florida and its manatee population.

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.

SpaceX has launched a pair of lunar landers for U.S. and Japanese companies looking to jumpstart business up there.

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 blow to the manatee population

At least four people have died as the brutal Arctic blast hit much of the central and eastern U.S. Newsweek's live blog is closed.