This color photograph of the test was taken by Jack Aeby. On July 16, 1945, at 5:30 am, the first atomic bomb in history was detonated at what is now White Sands Missile Range in New Mexico. The ...

Three observation bunkers were established 10,000 yards from ground zero for the Trinity Site Test. Key leaders, including Dr. J. Robert Oppenheimer and Maj. Gen. Leslie Groves, observed from ...

The Trinity test, conducted on July 16, 1945, was the first nuclear test ever conducted in human history, and it led to the atomic bombings of Hiroshima and Nagasaki, and the nuclear arms race during ...

Editor’s note: If you’d like to pinpoint the instant when the world entered the nuclear age, 5:29:45 a.m. Mountain War Time on 16 July 1945, is an excellent choice. That was the moment when human ...