Say what you want about Trump's rantings and ravings. But what can't be in doubt is their effectiveness. European politicians ...

All eyes will be on Saudi Arabia this week as discussions kick off between White House and Ukrainian delegations ...

Behind the scenes and on-camera, combustible personalities and shifting politics in the U.S. and Europe resulted in decisions ...

Trump has repeatedly criticized Europe's defense spending and previously threatened to leave NATO if allies didn't pay more.

Billionaire Elon Musk threw his weight behind a US exit from NATO, saying on his social media platform that it “doesn’t make ...

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

Uneasiness grows over continued U.S. support for the 75-year-old alliance as Trump casts doubt on support from other members ...

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

The US accounted for the majority of arms imports by European NATO states in the last four years, a Swedish research group ...

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

President Donald Trump is expressing uncertainty that NATO would come to the United States’ defense if the country were ...

Donald Trump has said he will speak to Vladimir Putin about plans for a ceasefire in the Ukraine war, as his secretary of ...