By Francois Murphy VIENNA, Jan 16 (Reuters) - Regional fears of a U.S. attack on Iran have eased after President Donald Trump ...

Decades after the Cold War ended, U.S. defense planners concluded that deploying massive megaton-yield gravity bombs over Europe was no longer realistic, leaving much of America’s nuclear arsenal ...

During the Cold War the U.S. considered putting nuclear weapons on balloons and letting them float into enemy territory for a strike.

Introduced in 1960, the American MK41 hydrogen bomb remains the highest-yield nuclear weapon ever placed in active service.

Thirty-seven years ago, on April 26 1986, the reactor of the Chernobyl nuclear power plant suffered a catastrophic meltdown. In the weeks that followed, the deadly event drove hundreds of thousands of ...

A quarter century ago, German political scientist Harald Müller observed that “the very basic question of whether … Germany should rethink its renunciation of nuclear weapons has a very odd ...

"A House of Dynamite" looks at what happens if a nuclear weapon were launched at the U.S. The new Kathryn Bigelow movie streams Friday, Oct. 24, on Netflix. What's fact and what's fiction in "A House ...

“Nuclear… We can’t let people throw around that word. I call it the N-Word. There are two N-words, and you can’t use either ...