The US nuclear facility at Hanford, which turns radioactive waste into glass as part of its cleanup efforts, received a ...

The skin of two workers in Los Alamos National Laboratory’s plutonium facility were contaminated in late November, according to a Dec. 5 Defense Nuclear Facilities Safety Board report. On Nov. 21, a ...

In a sprawling building atop a mesa in New Mexico, workers labor around the clock to fulfill a vital mission: producing America’s nuclear bomb cores. The effort is uniquely challenging. Technicians at ...

SEATTLE — For much of the 20th century, a sprawling complex in the desert of southeastern Washington state turned out most of the plutonium used in the nation’s nuclear arsenal, from the first atomic ...

SEATTLE (AP) — For much of the 20th century, a sprawling complex in the desert of southeastern Washington state turned out most of the plutonium used in the nation’s nuclear arsenal, from the first ...

Public health advocates say the US Navy knew for almost a year that tests had detected dangerous levels of plutonium in the air at San Francisco’s Hunters Point Naval Shipyard. The Navy discovered the ...

Nuclear waste is largely misunderstood, thanks to the Cold War and war movies. However, even if nuclear energy is safer than ...

Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

Reports that plutonium had been detected at five locations inside the grounds of the stricken Fukushima nuclear power plant set off a flurry of activity on blogs and twitter accounts today. But the ...

The lab where Oppenheimer developed the atomic bomb is the linchpin in the United States’ effort to modernize its nuclear weapons. Yet the site has contended with contamination incidents, work ...