SEOUL--North Korea has poured up to $1.6 billion (about 231.2 billion yen) into its nuclear development program over the last 50 years, an estimate by a South Korean think tank showed. It is ...

North Korea has likely enriched enough uranium to build a “double-digit” number of bombs and is making progress in its efforts to develop more powerful and accurate missiles targeting rival ...

North Korea has unveiled to the world the first-ever glimpse into a facility producing weapons-grade uranium as Kim Jong Un ordered his scientists and military officials to 'exponentially ...

North Korea is looking at conducting a nuclear test to coincide with the November presidential election in the US, Yonhap News reported, citing comments the South’s spy agency made to lawmakers.

North Korea’s leader Kim Jong-un said his forces would use nuclear weapons “without hesitation” if Pyongyang’s territory was attacked by the South and its ally the United States ...

North Korean leader Kim Jong Un threatened to use nuclear weapons to destroy South Korea if attacked, state media reported Friday, after South Korea’s president warned that if the North used ...

Washington periodically deploys nuclear assets to ... At the event marking South Korea's Armed Forces Day, Yoon said that if the North 'attempts to use nuclear weapons, it will face the resolute ...

SEOUL--North Korea appears to have restarted the operation of its main nuclear reactor used to produce weapons fuels, the U.N. atomic agency said, as the North openly threatens to enlarge its ...

North Korea launched a fresh wave of “trash balloons” toward its southern neighbors Wednesday night, according to local media. South Korea’s Yonhap News Agency reported that the North ...

The launches detected by South Korea and Japan are North Korea’s first public weapons firing activities in two months. Seoul city gov’t issued text alerts advising people to stay indoors and ...