The "A" stands for "atomic," and was quickly adopted as a name for the earliest nuclear weapons. The A-Bomb wasn't just tested by the U.S., as it was infamously used twice against an enemy ...

The first test of the atomic bomb happened on July 16, 1945, in an area near Alamogordo, New Mexico, now known as the White Sands Missile Range. The site is about 200 miles south of the Los Alamos ...

On Aug. 6, 1945, the United States dropped an atomic bomb on the city of Hiroshima. On Aug. 9, 1945, a second bomb was dropped on Nagasaki. The bombings resulted in thousands of causalities in Japan.

LOS ALAMOS, N.M. — It was the summer of 1945 when the United States dropped atomic bombs on Japan ... The flat, arid nature of the White Sands Missile Range won out, with scientists initially ...