In a desolate laboratory on the outskirts of modern-day Kazakhstan, Soviet scientist Andrei Sakharov risked everything, refusing to even wear the required protective dark goggles, determined to ...

Here’s how a nuclear bomb actually works. The B61 and the B83 nuclear bombs currently in the United States’ arsenal are thermonuclear, or hydrogen bombs, and quite different than the fission weapons ...

The 80th anniversary of the atomic bombing of Hiroshima and Nagasaki is this week. It was the only time nuclear warheads were used during war. Here’s a look at the history and current U.S. stockpile.

Aug. 6 (UPI) --Eighty years ago today, the first of two atom bombs was used in anger. Hiroshima was vaporized. But one plane, one bomb, destroying a city was inconceivable. The Japanese now could ...

Sign up for the Slatest to get the most insightful analysis, criticism, and advice out there, delivered to your inbox daily. On July 16, 1945, the Nuclear Age erupted ...

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 ...