North Korea says leader Kim Jong Un has observed test-flights of hypersonic missiles and underscored the need to bolster the ...

A draft Pentagon report suggests that China has likely loaded more than 100 DF-31 nuclear missiles into silos near its border ...

Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

Beijing has fewer reasons to alienate Pyongyang, turning down chances to openly back disarmament such as a state visit by ...