The head of the nation's top nuclear weapons lab has resigned. Pete Nanos is credited with improving management of Los Alamos, which has been buffeted by security and management scandals. But Nanos is ...

Add Yahoo as a preferred source to see more of our stories on Google. Aug. 4—J. Robert Oppenheimer's reflection on the Bhagavad Gita following the detonation of the world's first nuclear bomb at the ...

Nuclear weapons laboratories don’t often help solve serial-killer cases. But in the investigation of Efren Saldivar, data from such a lab provided the clinching evidence that led to his conviction on ...

FRENCHMAN FLAT, Nev. — In the middle of a dry lakebed northwest of Las Vegas sits a lone section of a bridge, its steel girders bent like spaghetti. Nearby are other oddities — a massive bank vault ...

Nuclear testing has long been depicted as mushroom clouds emerging and rising above remote desert landscapes or the ground slowly collapsing like a sinkhole as an underground detonation goes off. But ...

Since the United States stopped test-exploding nuclear weapons in the Nevada desert in 1992, nuclear scientists at Lawrence Livermore National Laboratory have sought high-tech, nonexplosive ways to ...

A thousand feet beneath the desert, the United States conducts experiments to verify that its weapons work. But some fear a live test could come... Step inside the secret lab where America tests its ...