Donald Trump says he wants to end the war in Ukraine. It's worth asking what kind of“peace” he has in mind – and whom it ...

Pyongyang’s atomic program has grown “exponentially” since 2009, warns Rafael Grossi, head of the U.N.'s nuclear watchdog.

Nogok-ri is a small hamlet on the northern edges of Pocheon, a city of roughly 160,000 people less than 20 miles from the DMZ ...

The two leaders came with misaligned expectations. Mr Kim offered the shutdown of his primary nuclear-weapons development facility, Yongbyon, in exchange for sanctions relief; Mr Trump insisted on ...

Earlier this year, Pyongyang agreed to disable its nuclear reactor and provide a full accounting of its plutonium stockpile, "acknowledge" concerns about its proliferation activities and its uranium ...

A set of events sent positive signs in 2007: the closure of North Korea’s main plant at Yongbyon in July, a second inter-Korean summit in October, and the opening of the first cross-border ...

The North would very likely commence reprocessing operations on any spent fuel it could recover from its Yongbyon nuclear facility, returning the Korean peninsula to the dark days of 1993-94.

The North Koreans turned away international inspection teams from suspected nuclear waste sites at Yongbyon, and then, in 1993, threatened to withdraw from the Nuclear Non-Proliferation Treaty.