The most powerful nuclear weapon currently in the U.S. inventory is the B83, with a maximum yield of around 1.2 megatons. The ...

The kingdom is concerned that Iran may be more inclined to pursue a nuclear weapon now that its regional proxies – long viewed as a deterrent against Israeli attacks – have been significantly ...

The U.S. Air Force demonstrated the nation's nuclear readiness by launching an unarmed Minuteman III intercontinental ...

The US has not conducted a real-world test of a nuclear bomb since 1992. After decades of declining nuclear stockpiles, the nuclear agency sees a real possibility that more countries around the ...

Pyongyang's expanding ICBM fleet now includes missiles believed to be capable of striking North American targets.

WASHINGTON — The Energy Department is seeking to bring back nuclear energy specialists after abruptly telling hundreds of workers that their jobs were eliminated, according to two people ...

The Energy Department is seeking to bring back nuclear energy specialists after abruptly telling hundreds of workers that their jobs were eliminated, according to two people familiar with the matter.

"This is a very real threat," he said. "EMP is generated when a small nuclear weapon, 40 to 60 kilotons or about three times the size of a Hiroshima bomb, is detonated 200 miles out in space above ...

The test "is not a response to current world events," as it is a routine and periodic activity, which showcased America's ...

“I am infinitely saddened and angered that the ‘nuclear taboo’ threatens to be broken,” said Terumi Tanaka, a co-chairperson of the Japan Federation of A- and H-Bomb Sufferers ...

A nuclear bomb can travel from Russia or China to the US in about 30 minutes by land-based missiles, but that time reduces to about 15 minutes if launched from a submarine strategically based on ...