Pictured: A photo of First Lightning, the first ever Soviet atomic bomb test. The United States assigned it the code-name Joe-1, in reference to Joseph Stalin. It was detonated on 29 August 1949 at ...

Add Yahoo as a preferred source to see more of our stories on Google. Yes, the blue and yellow vault-making corporation, Vault-Tec, appeared to have had some hand in dropping the first nuclear bombs ...

THE FIRST NUCLEAR reactor on earth went critical 2 billion years ago in western Africa when groundwater seeped into a rich vein of uranium ore. It controlled itself elegantly, its water moderator ...

When it comes to marking anniversaries of the atomic bomb, there are a few obvious choices. July 16, 1945, was the date of the Trinity test, the first nuclear explosion, and has been used by some as ...

A top arms diplomat at the State Department recently laid out what might come next as Washington upends decades of federal policies on nuclear proliferation.