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 is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

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

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