As part of an annual memorial ceremony, thousands gathered at the Hiroshima Peace Park in Japan on Aug. 6 to commemorate the ...

The 80th anniversary of this pivotal event in history is a particularly notable one, as it will be the last milestone for most of the few remaining survivors.

Dozens of people — including peace activists, members of faith groups, and musicians — gathered on Wednesday to raise alarm ...

August 6, 1945, marked a significant milestone in world history — on this day, the U.S. detonated the first atomic bomb over the city of Hiroshima, Japan.

It started in secrecy and ended with a mushroom cloud. The daughter of Manhattan Project technician shares what it meant to be raised in the long shadow of the Manhattan Project.

Commemoration events were held in British cities on Wednesday to mark the 80th anniversary of the U.S. atomic bombing of ...