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

A polar vortex dipping down from Siberia will bring a cold front with frigid temperatures to nearly 300 million Americans. See maps of the arctic blast.

The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar vortex disruption will stretch Arctic air across the top of the globe and make Donald Trump's second inauguration the coldest in 40 years,

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 ...

A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend kept much of the country east of the Rockies in its frigid grip ...

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 ...

The polar vortex of ultra-cold air usually spins ... displaced thousands and destroyed more than 12,000 structures […] ANCHORAGE, Alaska (AP) — Thousands of residents across Alaska’s largest ...

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 forced the closure of a two-lane road on the outskirts of ...

Snow is expected to taper off around Denver by the early afternoon, while temperatures will remain well-below freezing through Monday night.

The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar vortex disruption will stretch Arctic air across the top of the globe, with expected frigid conditions in the nation’s capital severe enough to force Donald Trump’s second inauguration indoors on Monday.

Alaska offers a respectable first class fare, but turn to the airline's partners for a truly luxe experience. Many or all of the products on this page are from partners who compensate us when you ...

Another blast of winter weather is expected in parts of the U.S. in the coming days, including bone-chilling wind in the Northern Plains and unusual snow and ice in the Gulf Coast area.