The death of the last treaty between Russia and the U.S. that limited the size of nuclear arsenals may spark a new arms race, ...

Under Secretary for Nuclear Security and NNSA Administrator Brandon Williams served as keynote speaker for the event at the ...

Andrew Bustamante explains that his "stance" on the subject has been "fairly consistent", and believes there remains a ...

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one.

Senior Russian officials on Nov. 11 said they were still waiting for a White House explanation about what President Donald Trump meant he when said he had instructed the Pentagon to resume nuclear ...

WASHINGTON -- China is rapidly increasing the size of its nuclear arsenal and could have as many as 1,000 nuclear warheads by 2030, according to a new Pentagon report released Wednesday. The ...

The mysterious Hyunmoo-5 short-range ballistic missile is estimated to carry a monstrous conventional warhead weighing over ...

Add Yahoo as a preferred source to see more of our stories on Google. Officials from the Department of Energy’s National Nuclear Security Administration and the Pantex Plant, operated by PanTeXas ...