Hiroshima atomic bomb survivor Shigeaki Mori, who was hugged by former US president Barack Obama during his historic visit to the city a decade ago, has died at 88, local media reported Tuesday. The ...

Hydrogen bombs cause a bigger explosion, which means the shock waves, blast, heat and radiation all have larger reach than an atomic bomb, according to Edward Morse, a professor of nuclear engineering ...

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 ...