Maj. Gen. Groves and J. R. Oppenheimer view the base of the steel tower used for the first atomic bomb test near Alamogordo, New Mexico, on Sept. 11, 1945.

Testing world's first atomic bomb . On July 16, scientists from the Manhattan Project conducted the first test of an implosive-type plutonium bomb, called Trinity.

Eighty years after the first atomic bomb was detonated in New Mexico, we're still feeling the political and scientific ...

Still, the discussions and calculations persisted long after the Trinity test. In 1946, three Manhattan project scientists, ... How Oppenheimer weighed the odds of an atomic bomb test ending Earth.

A secret government initiative, called The Manhattan Project, saw the creation of the atomic bomb under J. Robert Oppenheimer. Two atomic bombs were dropped on Japanese cities to end WWII.

On This Day: The Manhattan Project and the Atomic Bomb. During WWII, there was growing concern that German scientists had discovered how to split a uranium atom.

GOP budget bill expands coverage to more people in the Southwest and those near uranium sites connected with the Manhattan ...

July 14-16 gathering to create recommendations for policymakers and leaders to reduce the threat of nuclear war ...

“Supply-side counter proliferation strategies (i.e., trying to deny countries the knowledge, material, and equipment needed to make deliverable nuclear weapons) cannot permanently prevent ...

The letter originally in German was later translated into English by theoretical physicist Herbert Jehle, with help from ...