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) — Soon after the ground shook around its nuclear testing facility, North Korea trumpeted its first hydrogen bomb test — a powerful, self-proclaimed "H-bomb of justice" that ...

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 ...

SEOUL, South Korea (AP) — Soon after the ground shook around its nuclear testing facility, North Korea trumpeted its first hydrogen bomb test — a powerful, self-proclaimed “H-bomb of justice” that ...

BEIJING (Reuters) - British Foreign Secretary Philip Hammond said on Wednesday a test of a hydrogen nuclear bomb by North Korea would be a "provocation which I condemn without reservation" and a ...

TOKYO - North Korea on Wednesday claimed it had successfully tested a hydrogen bomb, a claim that, if true, would mark a huge step forward in its nuclear capability. 'We've carried out a hydrogen bomb ...