While not exactly surprising coming from the Trump administration, backing out of a major UN body is bound to have serious consequences.
Disruptive technology is fundamentally reshaping global security, and potentially laying the ground for a US-China conflict.
Kim Jong-un may be able to "chat" in English. That's not enough to understand Donald Trump.
Can decades of deadlock be broken by two of the world's most unpredictable leaders?
A political scientist and economist explores the causes and consequences of Trump's scattershot trade policy.
Seven world leaders with axes to grind are preparing to sit round one table. Sparks will fly.
Without strategic clarity from the US, the Saudis and their allies are under little pressure to thaw their frozen relationship with Qatar.
The Trump administration sees plenty of problems in Central America – but it seems to be doing everything it can to make them worse.
A remarkable year on the Korean peninsula has been marked by both bitter enmity and genuine goodwill. Now, the tension is being ratcheted up again.
Just as Iran's centre ground was collapsing under political pressure, Donald Trump offered the hardliners a gift.
Ever since the shocking spectacle of the Iranian Revolution and hostage crisis, American conservatives have reserved a special disdain for the Islamic Republic.
Iran is a dangerous mischief-maker in the Middle East – but scrapping the nuclear deal will probably make things worse.
Gina Haspel is in hot water over the CIA's use of 'enhanced interrogation techniques'. And in decades past, the US imprisoned people for using the same methods.
The connection between oil and arms trade is not a conspiracy theory.
Donald Trump has always traded on his image as a master dealmaker – but many deals have been done with North Korea before.
The astonishing sight of two Korean leaders crossing the border that divides them is just a first step.
A recent intervention by the US, the UK and France is only part of a far broader – and deadlier – campaign.
The Syrian conflict is a war of many sides. Here's a rundown of the key players.
The legal standards for military intervention are complicated and highly specific. It's not clear an attack on Syria would meet them.
Nothing the world has done has stopped Bashar al-Assad's regime from using chemical weapons – but it's imperative to keep trying.