Forecasters say over half the U.S. population could be affected by snow, ice or bitter cold as a winter storm sweeps across the county.

Heavy snow was falling over Northwest Texas and Oklahoma City on Friday morning as a major winter storm began moving east across the U.S., bringing deadly cold and the threat of power outages and trea...

Lines have been forming at stores in several states, with residents hurriedly stocking up on supplies ranging from bottled water and electricity generators to food, toilet paper and blankets.