Hidden deep in the archives of the Library of Congress lies a virtually unseen film from a secret Cold War test that remains one of the most chilling relics of the nuclear age. The footage begins with ...

In another move coinciding with the 98th anniversary of the founding of its armed forces, China has released footage of last year's high-profile test launch of a nuclear-capable missile. As the ...

Though the country’s nuclear arsenal has undergone no explosive testing for decades, federal experts say it can reliably obliterate targets halfway around the globe. By William J. Broad President ...

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 ...