Bombshell shows how the government tried to minimize the effects of radiation and prevent independent reporting through ...

Decades after the Cold War ended, U.S. defense planners concluded that deploying massive megaton-yield gravity bombs over ...

LOS ANGELES - Scientists are finding traces of radioactive fallout from atomic bomb testing during the 1950s and 1960s in honey produced in the United States today. According to a study published on ...

Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

President Donald Trump Thursday sowed confusion among experts with his call for the start of nuclear weapons testing, with some pundits interpreting the announcement as US preparations for a shock ...

Editor’s note: The Bulletin of the Atomic Scientists presents here, from its September 1946 issue, an eyewitness account of the first atomic bomb test in the Marshall Islands. In it, the author not ...

U.S. Energy Secretary Chris Wright said he expects U.S. nuclear-weapons testing sought by President Donald Trump to stop short of actual atomic bomb explosions for now. “I think the tests we’re ...

Minutes before walking into a high-stakes meeting with Chinese President Xi Jinping this past week, President Donald Trump announced what could prove to be a stunning shift in American nuclear policy.

In the wake of U.S. President Donald Trump’s suggestion earlier this year that the U.S. would resume nuclear testing, a U.S. government representative defended the stance at a global nuclear arms ...

We learn of his role during the tense early years of the Cold War. Complete invasion of Western Europe by the Soviets was at ...

Significant activity on Russia's Novaya Zemlya archipelago indicates an impending test of the nuclear-powered Burevestnik cruise missile, known as Skyfall by NATO. The Burevestnik, a complex system ...