The Trinity test—the detonation of the world's first nuclear bomb—was conducted 80 years ago as part of the Manhattan Project. Two years ago, the film Oppenheimer premiered in theaters and became an ...

At approximately 5:30 a.m. on July 16, 1945, the world's first atomic bomb exploded in the New Mexican desert. It was bright, hot, and loud. Scientists and military personnel crouched nearby in ...