That was the moment when human beings first unleashed the power of the nucleus in an immense, blinding ball of fire above a ...

Just four years after Hiroshima, the Soviet Union shocked the world by detonating its own atomic bomb far earlier than ...

General Kenneth D. Nichols details the truth behind the 1954 hearing that stripped J. Robert Oppenheimer of his clearance.

Manhattan Project scientists working on the Thin Man plutonium gun assembly. Two atomic bombs nicknamed Little Boy and Fat Man were detonated over Hiroshima and Nagasaki in August 1945, effectively ...

LEWISTON, N.Y. — As the world marks 80 years since the Atomic bomb was dropped on the Japanese city of Hiroshima, the effort to develop the weapon lingers in the ground throughout Western New York.

Clean up efforts at Y-12's demolished Alpha-2 facility, one of the facilities that helped create the first atomic bombs, are ...

The Manhattan Project culminated in the dropping of atomic weapons on Japan by the U.S. in early August 1945, a move that ended World War II. A national park site in three time zones tells the complex ...