A secret Iranian programme is fast-tracking Tehran’s plans to build a nuclear bomb after receiving missile designs from North ...

New York City has been simulated as the location of a nuclear bomb explosion, with a map showing the catastrophic damage that ...

The picture has been widely shared for years and purportedly shows the aftermath of the explosion in the Japanese city.

The weapon could be built within a matter of months, the report said, based on intelligence gathered by the Biden ...

The B61 bomb’s reported yield will be adjustable to between 0.3 and 50 kilotons. A kiloton is the equivalent of 1,000 tons of TNT. Although not possessing the long-distance standoff capacity of either ...

The warplane-dropped nuclear gravity bomb known as the B61 has been fully modernized with a new precision guidance system, the Energy Department’s National Nuclear Security Administration ...

Described as the most expensive nuclear bomb project ever, the B61-12 combines enhanced precision with a lower yield, making it the most versatile and usable nuclear weapon in America’s arsenal.

Iranian officials increasingly lean in by declaring their readiness to build a bomb overnight, prompting new alarms from the U.N.’s chief atomic inspector that he cannot properly track Iran’s ...