A new tool shows the catastrophic impact of a nuclear strike as Russia deploys its “unstoppable” Oreshnik missile, putting ...

There is no good place to be when a nuclear bomb goes off. Anything too close is instantly vaporized, and radiation can pose a serious health threat even at a distance. In between, there is another ...

As many as 19 people are missing and feared dead after a “devastating blast” leveled a Tennessee bomb factory Friday, according to officials. The massive explosion was reported around 7:45 a.m. local ...

In 1963, the U.S. detonated a nuclear bomb deep beneath the Nevada desert. Project Shoal was designed to test what a nuclear explosion looked like in a seismically active area. The goal was not ...

U.S. Energy Secretary Chris Wright said he expects U.S. nuclear-weapons testing sought by President Donald Trump to stop short of actual atomic bomb explosions for now. “I think the tests we’re ...

All 18 people missing after a devastating blast leveled a Tennessee bomb factory are presumed dead, officials said Saturday. “They’ve gone through almost every square inch of this facility. We have ...

The Castle Bravo nuclear test produced an explosive yield of 15 megatons and was 1,000 times more powerful than the bomb that destroyed Hiroshima.