Researchers held a high-quality plasma steady for 43 seconds using frozen hydrogen, setting new fusion record.

TYRANT Kim Jong-un showed off a new ballistic missile said to have one of the “most powerful” nuclear systems ever at a ...

North Korea flaunted its “most powerful” nuclear-capable intercontinental ballistic missiles (ICBMs) at a military parade.

North Korea has shown off a new nuclear weapons system it has called its 'most powerful'. The highly secretive country frequently shows off its nuclear testing programme and says it is developing ...

The Tsar Bomba is widely regarded as the most powerful nuclear weapon ever created and detonated. Developed by the Soviet Union in the midst of the nuclear arms race with the United States, the ...

Following the parade marking the 80th anniversary of the foundation of North Korea’s ruling Workers’ Party, Kim delivered a ...

North Korea showed off the new Hwasong-20 ICBM, its "most powerful nuclear strategic weapon," at a military parade, state-run media reported on Saturday.