Aug 9 (Reuters) - Saturday marks the 80th anniversary of the U.S. military's dropping of an atomic bomb on Nagasaki, three days after the bombing of Hiroshima ushered in the age of nuclear weapons.

Tri-Cities workers produced plutonium that powered the last atomic bomb 80 years ago. Relief in Tri-Cities that war ended without further lives lost; immense suffering in Japan Peace ceremonies in ...

The first reports were met with disbelief. A single bomb with the explosive force to level a city; a bomb, detonated with such intensity it burned as bright as — maybe, even brighter than — the sun.

A man stands next to a tiled fireplace where a house once stood in Hiroshima, Japan, Sept. 7, 1945 (AP photo by Stanley Troutman). Eighty years ago this week, the world truly changed. The United ...

Operation Downfall was the largest invasion force ever assembled in history, designed to launch a 2.5-million-man assault on the Japanese mainland. Japanese intelligence correctly guessed the time and ...

Many Americans—including students in the History of the Atomic Bomb course taught at the University of Texas at Austin by Bruce J. Hunt, A&S '84 (PhD)—have learned a version of this story: On Aug. 6, ...