The polar vortex can be a powerful source of winter weather, but it's not the only cause of severe cold and snow in regions better known for warmth and sunshine. The Gulf Coast states are still ...

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

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 ...

A polar vortex is now sweeping severe cold ... wind chill at or below 35°) has been issued for most of Florida, beginning at Fort Myers and going north. Two Freeze Warnings (temperature at ...

Much of the country is experiencing a polar vortex this week, including Florida. A polar vortex is a stream of cold air that normally spins around the poles high in the stratosphere. The phenomenon ...

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 ...

In short, the answer is the polar vortex. But what does that mean? The polar vortex is a “constant feature” that begins to develop sometime in September and persist through sometime in spring ...

A polar vortex, a weather pattern similar to the historic ... except for southern California, southern Florida, and southern Arizona. However, snowfall is unlikely in parts of Texas that are ...