At a time of increasing threat of nuclear war, a historic treaty to ban nuclear weapons might provide a much-needed panacea.
A policy tug-of-war is taking place in the Trump White House over what to do about Iran.
Want to know if a rogue state has performed a nuclear test? Sniffer planes can help.
North Korea wants the security and prestige of nuclear weapons. It won't give them up.
Pyongyang's latest test isn't the great leap forward it purports to be.
Within hours of North Korea's latest underground nuclear test, Japan and South Korea were both able to independently confirm it had happened. How?
A nuclear physicist and disarmament expert recommends reading on nuclear disasters, weapons, authoritarianism and climate change.
A former Department of Defense and State Department official explains why a hardline approach on North Korea will likely fail, as it did with Iran.
There is much debate over how to react to North Korean missile threats. What can we learn from Israel’s responses to actual rocket attacks?
The international community has been trying to stop North Korea from developing long-range missiles for decades. So how did North Korea get them?
Soot thrown into the atmosphere would block out the sun, causing crops to fail and people to go hungry.
The most viable nonmilitary solution to the standoff with North Korea is to get China to apply pressure. But that's not so easy.
South Korea has a very particular part to play in handling Pyongyang, but Moon Jae-in has a different one in mind.
While some countries were taking a major step toward the elimination of nuclear weapons, the US and its allies were focusing on ineffective, counter-productive sanctions against North Korea.
North and South Korea explained in four questions and answers.
Pyongyang's latest missile test sparked a surprising reaction from the Russian leader.
An aggressive neighbor to the north, a sputtering economy at home – and two more thorny issues facing South Korea's new president.
Regardless of how the US sending an aircraft carrier group to the Korean Peninsula plays out, the international community will ultimately have to accept and learn to manage a nuclear North Korea.
Talks begin today at the United Nations to negotiate a total ban of nuclear weapons. Over 3,600 scientists have signed an open letter supporting the ban.
The use of nuclear weapons – arguably the most devastating of all weapons of mass destruction – is currently not necessarily prohibited under international law.