U.S. military and NATO officials are discussing a possible plan that could be unveiled in the coming days to provide Ukraine ...

Most NATO allies promised to ramp up defense spending and reaffirmed their "ironclad" commitment to mutual defense. But there are lingering concerns over the scale and scope of US engagement.From ...

After Trump sends advanced weapons to Ukraine, Russia warns its nuclear policy is active, raising global tension over NATO's ...

The agreement reflects growing apprehension on the part of both leaders that America’s commitment to NATO is no longer as ...

Russia has criticised the planned deployment of longer-range U.S. missiles in Germany as a serious threat to its national ...

US allies in Europe are worried that American support for Ukraine is fickle, and that the Trump administration will cut its ...

This year's NATO summit opens Tuesday, attended by a disengaged United States, which seems bent on fighting its own battles, rather than helping European allies with the increased threat from Russia.

Opinion: NATO’s progress in the "final frontier” is notable but insufficient, argue RAND analysts Anca Agachi, Shaan Shaikh and Bruce McClintock.

NATO boss Mark Rutte, who has been dubbed the "Trump whisperer," warned against the US decision to halt key weapons shipments to war-torn Ukraine, fretting that it undermines peace efforts.

As Russia intensifies its assault on Ukraine, NATO and European countries need to increase production of long-range weapons, ...