As extreme cold weather grips large sections of the United States, people still need to work and live their lives. CNN wellness expert Dr. Leana Wen has guidance.

(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) — Dangerous fire weather conditions were underway in Colorado and Wyoming’s foothills that had forecasters using the most dire language possible to characterize Friday’s fire threat. “This is a ...

(CNN) — A winter storm is poised to bring heavy snow and ice to the Northeast Friday into early Saturday, with more than 23 million people under winter storm warnings — including New York City, which ...