“Square dancing evolved as a natural Saturday evening activity in that Southwestern setting,” Richard Rhodes wrote in his definitive history, The Making of the Atomic Bomb. “Single men and ...

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.

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.

The lab designing the warhead says it is accelerating the timeline to respond ‘to a critical challenge and urgent need.’ ...

An curved arrow pointing right. North Korea recently claimed to test a hydrogen bomb. Some experts say it is more likely they tested a "boosted" atomic bomb. Although this type of bomb isn't ...

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 ...