THE HAGUE — NATO Secretary General Mark Rutte surprised reporters Wednesday by calling President Donald Trump “Daddy,” a moment of levity in a serious NATO summit. As the two leaders greeted ...

NATO allies on Wednesday agreed to more than double their defense spending target from 2% of gross domestic product to 5% by 2035, in the alliance's most decisive move in over a decade.

Trump's unpredictability causes great anxiety in Europe, particularly his questioning of the mutual defense promise at the heart of the alliance.

Canada joins NATO push for 5 percent Prime Minister Mark Carney is embracing spending amid rising Arctic tensions.

The conventional wisdom seems to be that Donald Trump got what he wanted out of NATO. But what if it's NATO that got what it wanted out of him?

Allies, ambitions, and arguments - what to watch when NATO leaders gather in The Hague this week.

Mark Rutte sits in a chair with a serious, concerned look on his face. A small flag of NATO is on a stand in front of him, slightly out of focus, and the logo of NATO is on a backdrop behind him.

From Trump fighting back on Iran reports and responding to being referred to as 'daddy,' to defense spending targets.

But at a summit focused on keeping President Trump happy, discussion of Russia is expected to be muted, despite most allies’ belief that its aggression is NATO’s chief challenge.

European leaders should avoid clashing with Trump at the NATO Summit in The Hague. In the coming months and years, they should focus on increasing defense spending, further integrating Ukraine ...

President Trump wrapped a NATO summit by defiantly defending his Iran strikes and changing his tune about alliance members' defense spending.

Secretary-General Mark Rutte is getting allies to spend trillions more on defense—and keep Donald Trump on side.