On August 6, 1945, a 10-foot-long uranium bomb called "Little Boy" was dropped on the Japanese city of Hiroshima.

On August 6, 1945 — 81 years ago — the US bomber Enola Gay dropped the first atomic bomb ever used in military combat on the ...

More than 50,000 gathered at Peace Memorial Park to remember the victims of the world’s first atomic bombing and hear renewed ...

Japan has marked the 81st anniversary of the Hiroshima atomic bombing with renewed calls ...

Hiroshima on Thursday marked the 81st anniversary of the U.S. atomic bombing of the western Japanese city, with its mayor ...

The devastating blast vaporized buildings, metal, glass, soil and water. When the substances cooled and condensed, the process created spherical glassy grains—and some of them seem to contain a previo ...

The decision to drop an atomic bomb on Hiroshima continues to stir debate today.

A local man who was just seven years old when he survived the Hiroshima bombing is sharing his story, as it's his mission to ...

HIROSHIMA--For the first time in its long history, the Hiroshima Peace Memorial Museum will provide an option for visitors to avoid seeing some of the more gruesome photos and paintings on display.

At 8:15 a.m. on August 6, 1945, the course of World War II and the history of Japan changed when the US military dropped the ...

On August 6, 1945, the U.S. dropped the first atomic weapon of war on the Japanese city of Hiroshima, killing tens of thousands of people. 80 years later, NBC News’ Janis Mackey Frayer traveled to ...

As the last US-Russia nuclear arms control treaty expires, the anniversaries of Hiroshima and Nagasaki carry renewed urgency for a world edging toward a new arms race. This August marks yet another ...