Discover the origins of the Soviet Union's massive bomb and its status as one of the cleanest nuclear bombs ever detonated.

The world's largest and the most powerful nuclear bomb ever tested is Tsar Bomba, officially known as "product 602" or "AN602 ...

Three unexploded U.S. bombs from World War II were defused on Wednesday in Cologne after the German city's biggest evacuation ...

Israel badly damaged one of Iran’s key nuclear sites and killed a startling array of top military and nuclear officials in ...