Unease grows over continued U.S. support for the 75-year-old alliance has Trump casts doubt on support for other members if ...

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

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

Trump’s nominee to serve as the U.S. ambassador to NATO said his commitment to the alliance is “ironclad.” Trump contradicted ...

Trump claimed NATO allies wouldn’t defend the U.S. if attacked, despite Sept. 11 being the only time the defense guarantee ...

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

U.S. President Donald Trump cast doubt on Thursday on his willingness to defend Washington's NATO allies, saying he would not ...

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

Italian Prime Minister Giorgia Meloni has suggested NATO's Article 5 protection could be extended to cover Ukraine even if it ...

Trump said on Thursday he's "not so sure" NATO allies would come to America's defense, despite its Article 5 being invoked ...