Photo: Atomic bomb test explosion in Alamagordo, New Mexico, July 16, 1945. AP/Wide World Photos In 1932, James Chadwick discovered the neutron, a small atomic particle with mass but no charge.

We finally know the true identity of the woman behind the iconic “Miss Atomic Bomb” photo. After 25 years of investigation, the Atomic Museum said in a news release that founding museum member ...

"Gadget," the first atomic bomb — a 6-foot sphere with a grapefruit-sized Plutonium core, covered in cables — was born out of the Albert Einstein-inspired Manhattan Project, and was detonated ...

How close were the Nazis to developing an atomic bomb? The truth is that National Socialist Germany could not possibly have built a weapon like the atomic bombs dropped on Hiroshima or Nagasaki.

Given the history of nuclear proliferation throughout the 20th century, it seems like a miracle that only two atomic bombs were ever deployed against the human population. And, it turns out ...

The museum plans to display those photos in 2025 along with a model of the atomic bomb dropped over Hiroshima, known as Little Boy, according to Jeremy Kinney, associate director of research and ...