Find out why Florida, Louisiana and other Souther states in the U.S. are experiencing a rare, historic snowstorm.

NEW ORLEANS -- The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar ...

NEW ORLEANS — The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar ...

A major storm spread heavy snow, sleet and freezing rain across the southern United States on Wednesday, breaking snow ...

A Siberian chill is on the horizon, threatening to plunge the U.S. into a deep freeze in parts of the east coast ...

Forecasters predict another polar vortex disruption will stretch ... it will mean a day or two where it’s colder than Anchorage, Alaska. Monday's inauguration will see single-digit wind chills ...

Up to 280 million Americans will have a day or two where it’s colder than Anchorage ... with these stretches because when the polar vortex stretches, the flow starts in Siberia and ends in ...

A powerful polar ... from Alaska through the Midwest and extending deep into the Southeast. Many Southern states that rarely face winter storms are now under weather warnings as the vortex ...

A comet not seen in the last 80,000 years is putting on a show over Alaska skies this week. Viewers are sending in amazing photos capturing the celestial event. A landslide in Ketchikan Sunday night ...