the USSR detonated the largest nuclear weapon ever tested and created the biggest man-made explosion in history. The blast, 3,000 times stronger than the bomb used on Hiroshima, broke windows 560 ...

On July 16, 1945, the US conducted the world's first test of a nuclear weapon. Less than a month later, two bombs were dropped on the Japanese cities of Hiroshima and Nagasaki, bringing about the ...

After the first atomic bomb explosion (seen here from 10,000 yards away, in a time series from .006 seconds to .081 seconds after detonation), Oppenheimer recalled, "a few people laughed ...

Yahata, one of a dwindling number of “hibakusha,” as survivors of the nuclear explosion are known, waited until late in life to give witness to her experience on the morning of Aug. 6, 1945 ...