(CNN) — A powerful winter storm swept across the central and eastern United States, knocking out power and snarling travel during one of the busiest stretches of the holiday season. The wide-ranging ...

(CNN) — A major winter storm is spreading heavy snow and damaging ice across a large portion of the United States. Extremely cold temperatures will only worsen the storm and increase its danger. The ...

(CNN) — A blast of Arctic cold air is set to sweep across the country just as family and friends take to the roads and skies to gather for Thanksgiving. Parts of the Rockies and Plains are already ...