The most rare and extreme form of tornado struck eastern North Dakota in June, but experts just determined how strong it ...

Thunderstorms erupting in the South and Midwest to kick off the weekend could turn severe and produce dangerous winds, a few tornadoes and heavy rain.

Tropical Storm Humberto has sprung to life in the Atlantic, and there could be a double-dose of tropical trouble in the coming days: Another storm is likely to form near the Bahamas and put the East ...

(CNN) — A rare, monstrous EF5 tornado that struck the United States more than three months ago was the first of its kind in more than a decade, experts announced Monday. A tornado that roared through ...