On a quiet Monday morning in August 1945, the first atomic bomb detonated as expected, resulting in nearly 100,000 deaths. The Japanese surrendered nine days later. But if the bombing of Hiroshima ...

The 80th anniversary of the atomic bombing of Hiroshima and Nagasaki is this week. It was the only time nuclear warheads were used during war. Here’s a look at the history and current U.S. stockpile.