Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the ...

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...

In the face of such facts, Trump changed his story. He said that Russia and China are conducting secret nuclear tests and ...

Resuming full testing of nuclear weapons — as President Donald Trump called for last week — would be unnecessary, costly, undermine nonproliferation efforts, and empower the nation’s adversaries to ...

Opinion: This op-ed's authors argue that the president's nuclear testing comments were correct, considering America's aging ...

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 ...

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 ...

The U.S. successfully tested a tactical thermonuclear gravity bomb using inert warheads in August, according to a research and development arm of the Department of Energy’s (DoE) National Nuclear ...

DUBAI, United Arab Emirates — President Donald Trump's comments Thursday suggesting the United States will restart its testing of nuclear weapons upends decades of American policy in regards to the ...

North Korea said Sunday it had tested a hydrogen bomb which it can mount on a missile, declaring "perfect success" in its biggest-ever nuclear detonation. Pyongyang has long sought the means to ...

The U.S. scientists who tested the first atomic bomb, July 16, 1945, took the ultimate gamble of setting the atmosphere on fire and destroying all life on Earth. Even after the renowned physicist Hans ...

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 ...