Asked about NATO Article 5 commitment, Trump says U.S. "not going to defend" allies that fail to meet his spending ...

The president has discussed possibly favoring members of the alliance that spend a set percentage of their GDP on defense, ...

Congress passed a law that would require any president to seek approval before the US could leave NATO.

National security adviser Mike Waltz said on Sunday the U.S. does “not see Ukraine being a member of NATO.” “One thing is ...

The president signaled that he would consider abandoning a key part of the NATO security pact if members don’t spend more on defense.

Europe is staring down the barrel of a stark new reality where the United States being the backbone of NATO – the alliance ...

European leaders are making a point of warmly welcoming the Ukrainian leader to London just days after his dust-up with ...

European Union leaders on Friday downplayed skepticism from U.S. President Donald Trump about solidarity among NATO members.

Our cooperation with likeminded @NATO partners is vital for international security. For Ukraine. For stepping up our joint ...

“President Trump is committed to NATO and Article V,” a National Security Council official told NBC ... Trump made extensive comments denigrating NATO members as unreliable, arguing that ...

Military alliance members already had trouble trusting each other with classified information. It’s just got worse.