SEOUL, South Korea -- North Korea says it has conducted a hydrogen bomb test. The surprise announcement that complicates already difficult efforts to curb the country's push for a working nuclear ...

SEOUL, South Korea (AP) – North Korea says it has conducted a hydrogen bomb test. The surprise announcement that complicates already difficult efforts to curb the country’s push for a working nuclear ...

The test likely pushed Pyongyang's scientists and engineers closer to their goal of building a warhead small enough to place on a missile that can reach the U.S. mainland. But South Korea's spy agency ...

The UN Security Council has tentatively set an emergency meeting after North Korea’s H-bomb test.2:10 p.m. Crowds dressed in thick winter coats have gathered outside a large video screen near a ...

SEOUL, South Korea — The White House said today that initial data from its monitoring stations in Asia were “not consistent” with North Korea’s claim that the nuclear test it carried out earlier in ...

On Wednesday morning Pyongyang time, North Korean state-owned media claimed the country successfully tested a powerful hydrogen bomb, an unexpected development that has sparked condemnation worldwide.

SEOUL (Reuters) - North Korea said it successfully tested a miniaturised hydrogen nuclear bomb on Wednesday, prompting scepticism among experts and officials who doubt Pyongyang has achieved such a ...

TOKYO -- North Korea announced it detonated a thermonuclear device Sunday in its sixth and most powerful nuclear test to date, a big step toward its goal of developing nuclear weapons capable of ...

Sir Keir Starmer has promised to meet veterans of Britain's Cold War nuclear weapons testing programme "hopefully by the end ...