Firings and buyouts hit the top-secret National Nuclear Security Administration amid a major effort to upgrade America’s ...

Tulsi Gabbard’s testimony before the Senate Intelligence Committee has led Iranian Supreme Leader Ayatollah Ali Khamenei to ...

We've all made mistakes before. Maybe we did something ... and crucially, the National Nuclear Security Administration (NNSA). The whole "nuclear" part evidently wasn't enough to deter Musk ...

Now outsiders and workers within the nation’s nuclear safeguard office are trying to assess fallout from the Trump mistakes. ...

Chris Wright, secretary of the Department of Energy, admitted to mistakes after layoffs impacted employees of the National Nuclear Security Administration. Speaking with Scripps News on Wednesday ...

The Obama administration reportedly is seriously considering adopting a “no first use” (NFU) nuclear-weapons policy. A prospective NFU policy would be a U.S. commitment never to be the first ...

By Steve Benen By any fair measure, Donald Trump’s policy toward Iran and the international nuclear agreement with Tehran was one of his most dramatic and consequential mistakes. By abandoning a ...

Hahn published the results in January 1939 and Meitner and Frisch published the explanation a month later, introducing the term "nuclear fission." Using Bohr's liquid drop model of the nucleus ...

who can issue a nuclear weapons launch order, is currently the US President, who is characterized as "elderly man with poor memory" MOSCOW, February 14. /TASS/. Mistakes that the US leadership ...