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

A disruption in the polar vortex is about to send an Arctic air mass from Siberia as far south as Florida. Yes, Siberia—and ...

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.

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 ...

Most of the U.S. will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send ...

Every year, the state of Florida observes the birth of Confederate General Robert E. Lee as an official state holiday.

A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans.

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

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 ...

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.

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.