A nuclear exchange, which would unleash untold destruction on both countries' civilian populations, remains a possibility.
Pope Francis has been a staunch voice for a world free of nuclear weapons. But should he be involved in defence politics at all? And how does the Pope's message resonate among the European public?
Relying only on sanctions against North Korea may not be a productive way to get the country to give up its nuclear arms. Offering relief and aid may be more effective.
No-deal preparations have been both criticised as being part of 'Project Fear' and used to show that Brexit will be disaster. Here's the history behind this kind of planning.
A natural view of the world appealed to Albert Einstein.
A new strategy from the UN secretary general challenges the world to explain why it's not doing more to defuse the nuclear threat.
To understand how a new world war might play out, it's important to remember just how powerful the US really is.
Kim Jong-un's surprise recent visit to Beijing and Xi Jinping was an awkward get-together that didn't address the elephant in the room -- Kim's possible face-to-face meeting soon with Donald Trump.
It is not yet midnight, but as the crisis deepens, the diplomatic and military options get more and more complex. And the possibility of war with North Korea is now very real.
Trump and Kim are due to meet this spring. But if these talks fail could international arbitration provide - as it has in the past - an alternative way out of the North Korean crisis?
North and South Korea explained in five questions and answers.
As it moves to two minutes to midnight, the Doomsday Clock must be stopped.
In 1983, a made-for-TV film about the consequences of nuclear war was watched by 100 million people – and became a cultural lightning rod.
China is succeeding in a high-stakes poker game on the Korean Peninsula. Did Canada and the U.S. just play into Chinese hands?
The fear and distress caused by a false missile alarm last week in Hawaii is part of the 125- year legacy of American occupation.
Military options should, and must, be on the table if diplomacy fails to compel North Korea to de-nuclearize.
The race may be on to send humans to live on Mars, but is it worth the effort -- and the spend -- when we have our own problems to deal with on Earth.
A former diplomat and foreign policy expert explains just how easily the president could bypass objections to war, from Congress to dissenting generals.
Seeking justice, not peace, in our world changes the conversation about conflict. Conflict has proven integral to achieving a more equitable and secure society.
Fears about nuclear annihilation have come and gone over the years until the threat was all but forgotten. Then Kim Jong-un started flexing his nuclear muscles