Attacks on Iran tell North Korea that nuclear weapons are vital for survival, dashing China’s hopes to denuclearise peninsula ...

President Donald Trump campaigned on keeping the United States out of foreign wars, but it didn’t take long to convince him ...

The Trump administration should embrace a North Korea strategy that aims to contain escalation, not keep a white-knuckled ...

North Korean leader Kim Jong-un provides guidance on a nuclear weapons program in this undated photo released by North Korea's Korean Central News Agency in Pyongyang on September 3.

A senior Iranian parliamentarian said the Islamic Republic was considering withdrawal from the Non-Proliferation Treaty.

The strikes potentially hardened Kim Jong Un’s determination to hold on to—and expand—his nuclear arsenal as a deterrent to ...

North Korea nuclear weapons threat: Nothing else is working, so the U.S. should accept that Kim Jong Un has weapons and open diplomatic relations.

North Korea said Wednesday that it has the ability to miniaturize nuclear weapons, a key step toward building nuclear missiles. Analysts and U.S. officials have said previously that they suspected ...

Because it will face an intense "use-it-or-lose-it" dilemma, North Korea will likely employ nuclear weapons early if war erupts on the Korean peninsula. At the time of attack, the allies should ...

North Korea’s announcement that it successfully conducted a hydrogen bomb test caught the world by surprise – and raised a slew of questions about what this disturbing development means. Here ...

But the sharing of such strategic weapons technology could also significantly enhance North Korea’s ability to advance its broader ballistic missile and nuclear weapons programs with help from ...

SEOUL — North Korea has long maintained that all six of its nuclear weapons tests were conducted safely. But on Tuesday, a Seoul-based human rights group warned that radioactive contamination ...