Add Yahoo as a preferred source to see more of our stories on Google. In May 1945, near the end of World War II, Germany surrendered to the Allies but Japan refused. To end the war quickly, President ...

Hydrogen bombs cause a bigger explosion, which means the shock waves, blast, heat and radiation all have larger reach than an atomic bomb, according to Edward Morse, a professor of nuclear engineering ...

HIROSHIMA (Reuters) - Teruko Yahata was eight when she saw a blueish-white light envelop the sky over her home city of Hiroshima one summer morning, moments before the first atomic bomb explosion ...

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.