NATO will this week decide how to respond to Russia's violation of a key Cold War arms treaty, alliance chief Jens Stoltenberg said Tuesday, insisting any measures would be defensive.

NATO Secretary General Jens Stoltenberg on Monday reiterated the bloc's commitment to grant former Soviet republic Georgia eventual membership despite Moscow's fierce opposition.

NATO Secretary General Jens Stoltenberg announced Wednesday that he will hold talks with Russian Foreign Minister Sergei Lavrov this week, as part of efforts to save a key arms control treaty that is on the point of collapse.

Senior NATO and Russian officials failed to make a breakthrough Friday in talks on saving the Intermediate-Range Nuclear Forces treaty, raising the spectre of a renewed arms race in Europe. Western capitals allege that Russia's latest generation of medium-range missiles breach the terms of the Cold War era INF treaty, and put European cities at…

US Defense Secretary Jim Mattis resigned Thursday, leading a chorus of protests at home and abroad after President Donald Trump who ordered a complete troop...

NATO will hold an emergency meeting with Ukrainian officials at alliance headquarters in Brussels on Monday over the naval standoff with Russia off the coast of Crimea.

Donald Trump piled pressure on Emmanuel Macron Sunday, pushing for resolutions to disputes on trade and defense spending, as he weighed in on the mass protests against his French counterpart's government. Writing on Twitter, Trump showed he had been keeping an eye on Saturday's demonstrations across France and refrained from showing sympathy for the beleaguered…

Europe should not spend higher defence budgets on US-made weapons, French President Emmanuel Macron said in an interview due to air Sunday, after a defence row with President Donald Trump. One of dozens of world leaders attending World War I commemorations in France this weekend, Trump tweeted after landing in Paris that Macron's call for…

One US soldier was killed and another wounded in an "apparent insider attack" in Kabul on Saturday, NATO said, in the latest such assault on international forces in Afghanistan.

The whirring of a low-flying Soviet Union-era war plane signalled Russia's uninvited arrival to NATO's biggest military exercise since the end of the Cold War.

A Kurdish-led force backed by a US-led coalition on Wednesday suspended operations against the Islamic State group and said they would not resume until Turkey halts its attacks on Kurdish militia posts in northern Syria. The Syrian Democratic Forces, joint Arab-Kurdish units under Kurdish command, announced a "temporary halt" to their operation, launched in eastern…

Norway hosts NATO's biggest exercises since the end of the Cold War from Thursday, to remind Russia the Alliance stands united despite seeds of doubt planted by US President Donald Trump.