The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar vortex disruption ...

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

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 ...

Anchorage residents like Raven McCormac experienced firsthand the ferocity of the storm. The largest populated city in Alaska is still recovering from the hurricane-force winds that battered homes ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is about to bring even harsher arctic blast to nearly 300 million Americans starting this weekend. Maps show where and ...

But during the winter, it is joined by a second atmospheric phenomenon dubbed the polar vortex. This swirl of frigid air, located more than 10 miles above Earth’s surface, strengthens each year ...