The close adviser to President Donald Trump has publicly supported the United States withdrawing from the military alliance.

Trump said he told NATO allies that if they’re not going to pay their bills, he won’t defend them.

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

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

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

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

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

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

WASHINGTON (Reuters) - U.S. President Donald Trump cast doubt on Thursday on his willingness to defend Washington's NATO ...

President Trump expressed uncertainty that NATO would come to the United States’ defense if the country were attacked, though ...

Higher European defence budgets and a ramp-up of production by military equipment industries are necessary to secure Europe, ...