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.

The United Nations nuclear watchdog has been unable to verify the size and location of Iran’s stockpile of highly enriched ...

HIROSHIMA, Japan — More than 55,000 people standing in Peace Memorial Park bowed their heads at 8:15 a.m. Wednesday, marking with silence the precise moment that the U.S. military dropped an atomic ...

As they fly wing to wing over a vital spot in the development of the atomic bomb, a native of Japan and a former US military officer hope their friendship outshines the horror of the blasts that took ...

Looking out over the skyline of Hiroshima, 96-year-old Junji Sarashina points out places from his childhood. "That was my grade school. Not too far from here," he tells his granddaughter, showing her ...

The B-29 that dropped the atomic bomb on Nagasaki to end World War II is on display at the National Museum of the US Air ...