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 ...

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 ...

The mushroom cloud from the world’s first test of a thermonuclear device (hydrogen bomb), over Enewetak Atoll in the Marshall Islands on November 1, 1952. [AP Photo/Los Alamos National Laboratory] On ...

A Lockheed Martin F-35A stealth fighter from the US Air Force (USAF) test dropped multiple inert versions of a nuclear bomb in August. The USA’s Sandia National Laboratories, a Honeywell subsidiary ...

Should the U.S. and Russia resume nuclear testing? The answer to that question must be a resounding “No.” Yet President Donald Trump and Russian leader Vladimir Putin, eager to project strength, have ...

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 bomb, but come as Washington's ...

President Donald Trump ordered the Department of War to resume testing nuclear weapons “on an equal basis” with Russia and China on Thursday, a practice halted by the U.S. in 1992. The announcement ...

In a first, DNA testing has managed to link preserved remains of a Hiroshima victim to a teenage girl who disappeared after ...

This marks 1st successful case of atomic bomb victim identification using this method, with thousands of samples kept at ...

A victim of the atomic bombing of Hiroshima during World War II has been identified as a 13-year-old girl through DNA testing ...

Researchers have used DNA from strands of hair to identify a teenage victim of the Hiroshima atomic bombing nearly 80 years ...