On Aug. 6, 1945, the United States dropped an atomic bomb on the city of Hiroshima. On Aug. 9, 1945, a second bomb was dropped on Nagasaki. The bombings resulted in thousands of causalities in Japan.

Robots have turned against their creators, and it's up to veteran soldier Major Sergey Nechaev, better known as P-3, to stop them. This video will get you up to speed on the story of Atomic Heart, ...

The Atomic Museum in Las Vegas explains to visitors that Nevada and other states also played a role — for better or worse — in the creation of nuclear energy. By Michael Janofsky Reporting from Las ...