The Tsar Bomba's explosion was unparalleled in power. With a 50 megaton capacity, this nuclear test was estimated to be 3,800 times the strength of the Hiroshima atomic bomb. And although short video ...

On Aug. 9, 1945, 6-year-old Chiyoko Motomura was playing on a veranda at her family’s Nagasaki, Japan, home. Her mother, aunt ...

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 ...

HIROSHIMA—A family here has achieved closure over the death of a loved one killed 80 years ago in the atomic bombing through ...

The two lawmakers questioned the necessity of the nuclear weapons agency's plutonium pit strategy in a letter exclusively ...

In 1963, the U.S. detonated a nuclear bomb deep beneath the Nevada desert. Project Shoal was designed to test what a nuclear ...

When it comes to marking anniversaries of the atomic bomb, there are a few obvious choices. July 16, 1945, was the date of the Trinity test, the first nuclear explosion, and has been used by some as ...

U.S. Chargé d’Affaires to the International Organizations in Vienna Howard Solomon made the previously unpublished comments, ...

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.

A 110-degree day in Las Vegas, a city dedicated to entertainment and capitalism, seems a strange place to commemorate the 80 th anniversary of the atomic bombing of Hiroshima. Yet Las Vegas has its ...