North Korean officials claimed September's hydrogen bomb yielded an estimated 100 kilotons of energy. For comparison, the bomb the United States dropped on Nagasaki, Japan yielded 20 to 22 ...

A hydrogen bomb is 1,000 times more powerful than an atomic bomb, with potential to be daisy-chained into something even bigger. Instead of losing the scientific equivalent of his house keys, ...

North Korea warned this week that it might test a hydrogen bomb in the Pacific Ocean, after saying the country had already successfully detonated one. A hydrogen bomb has never been used in battle ...

In 1952, the United States detonated its first full-scale H-Bomb, a Teller-Ulam thermonuclear device code-named Ivy Mike, on Enewetak Atoll. Photograph courtesy Los Alamos National Laboratory ...

Richard L Garwin, the creator of America's hydrogen bomb, died on May 13 at his home in Scarsdale, New York. He was 97. Over the course of his seven-decade career, Mr Garwin laid the groundwork ...

Mankind tested hydrogen bombs, but not used them in war. The U.S. first ran a test of its own hydrogen bomb at Eniwetok in the Marshall Islands on November 1, 1952, during a mission called ...

But a hydrogen bomb has the potential to be 1,000 times more powerful than an atomic bomb, according to several nuclear experts. The U.S. witnessed the magnitude of a hydrogen bomb when it tested ...