It’s been 80 years since the United States detonated atomic bombs over Hiroshima and Nagasaki, resulting in more than 200,000 deaths. Garrett Graff’s new book The Devil Reached Toward the Sky is an ...

First came the idea of splitting the atom; then, a chain of events leading to a moment forever etched in collective memory—the use of nuclear weapons on Hiroshima and Nagasaki in 1945.

This article was originally published with the title “A Completed Chapter in the History of the Atomic Theory” inSA Supplements Vol. 42 No. 1081supp(September 1896), p. 17280doi:10.1038 ...

Wednesday marked the 80th anniversary of the United States dropping the first atomic bomb on the Japanese city of Hiroshima.

Thousands of people died from the atomic bomb, but the action also ended World War II. Here is everything you need to know about Hiroshima and the atomic bomb.

On Aug. 6, 1945, the U.S. dropped an atomic bomb on the Japanese city of Hiroshima — becoming the only country to ever use nuclear weapons during wartime.

On Aug. 6, 1945, the U.S. dropped an atomic bomb on the Japanese city of Hiroshima — becoming the only country to ever use nuclear weapons during wartime.