In 1989, the Komsomolets sank off the Norwegian coast. Four years later, the BBC reported on plans to seal in its torpedoes' toxic plutonium.

Federal officials have cleared a major production milestone for the newest variant of the ...

The National Nuclear Security Administration (NNSA) said it completed ‘Diamond stamping' of the new B61-13 nuclear bomb, ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. If the largest nuclear bomb ever designed by the Soviet Union were dropped on downtown Atlanta, anything within a nearly five-mile ...

When Iran’s covert nuclear program came to international attention over two decades ago, Tehran insisted that its intentions were peaceful and that it had no plans to develop weapons. The country’s ...

A constellation of cubesats fitted with special detectors could sniff out nuclear weapons hidden on satellites launched by ...

In October 1961, the Soviet Union detonated a bomb so powerful that its shock waves circled the globe three times. Nicknamed Tsar Bomba, it was 3,000 times stronger than the bombs dropped on Hiroshima ...

I admit I am confused. Trump, not the US Congress, declared war on Iran to stop Iran from getting a nuclear weapon by using its civilian nuclear reactor program to make a bomb. Nuclear weapons are bad ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A nuclear bomb map created using a simulation tool shows the ...