North Korea warned this week that it might test a hydrogen bomb in the Pacific Ocean, after saying the country had already ...

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 ...

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.

On August 6, 1945, the sky above the Japanese city of Hiroshima opened. A blinding flash, then a deafening sonic boom. An entire city pulverized in seconds. Thus began the nuclear age. Today, 80 years ...