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 ...

Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low temperatures ...

A dangerous and potentially life-threatening stretch of cold weather has much of the U.S. on alert as a lobe of the polar ...

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

A major cold blast is in store for millions of Americans as a lobe of a polar vortex will bring brutally cold temperatures to ...

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 ...

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 ...

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.

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.

Enjoy your balmy Monday, South Florida: The polar vortex snarling much of the U.S. in snow and ice is on its way — and it’s planning to chill here for a few days. The National Weather Service ...

Freezing weather is expected to hit the eastern US in the coming days as the polar vortex moves ... The Gulf of Mexico and Florida could also experience temperatures below freezing.