The bomb-bay doors on the B-29 Superfortress Bockscar swung open over Nagasaki, Japan, a little before noon on Aug. 9, 1945, and at 11:58 a.m. one 10,800-pound bomb fell away. Minutes later, a ...

The Manhattan Project continued to expand, clothed in a secrecy that extended not only to the public, but to the words its participants were allowed to use with each other.

A scientific event that rivals the discovery of fire happened in Chicago on December 2, 1942. It was the day scientists split the atom, and unleashed energy never before seen on earth. The greate… ...

The Manhattan Project, the secret research mission to develop an atomic weapon ahead of Germany and bring an end to World War II, was one of the 20th century’s most ambitious feats of science ...

New York City residents not only stand tall in their resolve after the horrific terrorist attack on Halloween, as well as the 9-11 onslaught, but this autumn marks the 75th anniversary of the Manha… ...

Because there are things about the Manhattan Project that really are inspiring, but also encourage them to think really critically about other aspects of the history that they’re learning here.

Manhattan Project employees work on the Gadget in southern New Mexico. (Courtesy of The National Museum Of Nuclear Science & History) Seventy-five years. That's the amount of time that has passed ...

Women's History Month: The legacy of female scientists on the Manhattan Project "It's such an interesting legacy, to see how it's developed and how it's ongoing," Mary Scales, acting site manager ...

There were at least 19 Black scientists and technicians who worked on the Manhattan Project. Their contributions helped develop the atomic bombs used to end World War II, but many didn't know the ...

How much Manhattan Project radioactive waste is left in Oak Ridge? ... a contractor sent out to Y-12 to examine a legacy site touched a pipe so rusty it broke apart and mercury began dribbling out.