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.

Citing local authorities, USA Today reported at least 13 deaths in five US states, while the broadcaster CNN reported at least 11.