The Navy, which operated at the shipyard from 1945 to 1974 and is responsible for cleaning the 500-acre shipyard on the ...

The lab where Oppenheimer developed the atomic bomb is the linchpin in the United States’ effort to modernize its nuclear ...

The US has offered energy companies access to nuclear waste that they can convert into fuel for advanced reactors in an attempt to break Russia’s stranglehold over uranium supply chains.

The National Nuclear Security Administration urgently asked the White House for funds to prevent the agency from having to furlough its staff, sources told CNN.

President Donald Trump appeared to suggest the U.S. will resume testing nuclear weapons for the first time in three decades, ...

The Financial Times reports that the Department of Energy has invited companies to apply for up to 19 metric tons of weapons-grade plutonium previously used in ...

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 ...