North Korea

"Even if Pyongyang has not yet crossed the miniaturized warhead threshold, it is only a matter of time until it does."

USS Theodore Roosevelt will now join the USS Ronald Reagan strike group off the Korean Peninsula.

The Air Force was sending its WC-135 "sniffer plane" to verify North Korea’s claim of having set off an underground H-bomb.

The U.S. Navy's top officer told the head of the South Korean Navy that the two leaders should communicate "as brothers."

The medium-range ballistic missile was fired from an east coast site near Sinpo but blew up shortly after launch.

News of Otto Warmbier's death follows reports from doctors that he had suffered extensive brain damage.

The THAAD weapon system tracked and intercepted a medium-range ballistic missile launched over the Pacific Ocean.

Speaking at Joint Base Andrews Trump said the regime of Kim Jong-un showed "utter contempt for its neighbors and for the...

The THAAD anti-missile system meant to counter North Korean threats could go operational next month.

The US warned Sunday of possible action if North Korea conducted another underground nuclear test.