An eyewitness account of the first atomic bomb tests in the Marshall Islands, along with some remarkably prescient observations about what they could mean for future superpower rivalries.

A team of researchers has announced the discovery of millions of unusual debris buried in the sandy beaches near Hiroshima, Japan. These are believed to ...

Nine miles out at sea when an atomic bomb ignited at Bikini Atoll in the Pacific Ocean, 19-year-old Frank G. Buzzelli watched as the mushroom cloud swelled above the tiny island's lagoon.

Manhattan Project scientists working on the Thin Man plutonium gun assembly. Two atomic bombs nicknamed Little Boy and Fat Man were detonated over Hiroshima and Nagasaki in August 1945, effectively ...