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.

Inside a tiny museum in San Francisco's Japantown, there is a powerful message about the atrocities of the atomic bomb. "Americans see the bomb as a beautiful mushroom cloud, and the Japanese who were ...

New book uses oral history to tell story of the atomic bomb ABC News' chief global affairs correspondent Martha Raddatz speaks with author Garrett Graff about his new book on the atomic bomb during ...

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 ...