The nuclear radiation released by the bombs caused thousands more ... portions of a kimono worn at the time of the explosion ...

While working at the University of Chicago with an experimental setup he called an "atomic pile," Fermi demonstrated the first-ever controlled nuclear fission reaction ... built to test thermonuclear ...

Hans Kristensen, who is the director of the Nuclear Information Project at the Federation of American Scientists, posted the ...

“The reelection of Trump is an opportunity for South Korea to create its own nuclear weapons,” he wrote. Cheong and others in ...

The Columbia-class ballistic missile submarines, designed to replace the aging Ohio-class, come with a hefty price tag—around ...

Astronomers have used a range of telescopes, including Hubble, to watch as particles dance around a neutron star collision ...

Less discussed are the growing nuclear threats facing the United States, including from Russia, China and Iran. Trump will have to manage the gravest tensions with Moscow in more than 60 years, in ...