Leader Kim Jong Un pledged to pursue "sustained countermeasures," citing security ties between the U.S. and its regional allies.

It’s bad enough that North Korea, an implacable enemy of the United States, has the nuclear bomb. To make matters worse, it ...

North Korea may start mass-producing intercontinental ballistic missiles that are capable of reaching the United States, the Senate learned from the Pentagon's commander of continental defenses. Air ...

SEOUL--Tens of thousands of North Koreans and people in South Korea, Japan and China could be exposed to radioactive materials spread through groundwater from an underground nuclear test site ...

North Korea on Tuesday denounced the recent arrival of a U.S. nuclear-powered submarine in South Korea, accusing Washington ...

North Korea continues its work to develop nuclear weapons and to test intercontinental ballistic weapons that threaten countries in its region. North and South Korea separated in 1948 and followed ...

North Korean state media on Wednesday denounced U.S. President Donald Trump's proposal to take over Gaza and relocate Palestinians as bluster and accused Washington of robbery. North Korea ...

They say North Korea likely received Russian promises to provide it with high-tech weapons technology associated with its nuclear and missile ... and warfare and test their combat capabilities.

The nuclear-powered USS Alexandria is a 360-foot fast-attack submarine equipped with Tomahawk missiles and MK48 torpedoes.

North Korean leader Kim Jong Un has said an elevated U.S. security partnership with South Korea and Japan poses a grave ...

Kim Jong-un has said he will bolster North Korea's nuclear weapons programme, after calling a security alliance between the United States, South Korea, and Japan a severe threat to his country.