At a time of increasing threat of nuclear war, a historic treaty to ban nuclear weapons might provide a much-needed panacea.
China could win unprecedented global credibility by emerging as the champion of an international effort that fixes the North Korea problem once and for all. Does it have the moxie?
A policy tug-of-war is taking place in the Trump White House over what to do about Iran.
A former member of the Australian delegation to the Committee on Disarmament in Geneva explains how the CTBTO monitoring system detects nuclear tests.
What do intercontinental missiles and Apple's app store have in common? Alvin M Weinberg.
The president said he's considering ending trade with any country that does business with North Korea. Here's why that will never happen.
Pyongyang's latest test isn't the great leap forward it purports to be.
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.
In international relations, words matter – and so does the credibility of the speaker.
Far from a belligerent rogue state, North Korea is isolated, broke and hungry for attention.
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.
Refresh your knowledge on the origins of North Korea's nuclear threat and the options world leaders have to deal with it.
North and South Korea explained in four questions and answers.
A scholar who has profiled the likes of Saddam Hussein and Vladimir Putin says there is a method to understanding the madness.
The key question is whether North Korea does have nuclear weapons that it can readily use against the United States and its regional allies, South Korea and Japan.
South Korea must seek to strike a balance in its respective strategic and economic relationships.
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.