Airlines have canceled more than 13,000 U.S. flights for Saturday and Sunday as a massive winter storm is forecast to bring a mix of ice, snow and frigid conditions to many parts of the country this w...

Heavy snow, sleet and freezing rain are slamming large parts of the U.S. as the dangerously cold weather causes major power outages and travel disruptions.

Around 190 million people — more than half the U.S. — are under winter weather alerts across 37 states, from the Rockies to New England.