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

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

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

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

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

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

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

President Donald Trump's pick for NATO ambassador promised senators the United States’ commitment to NATO will be “ironclad,” ...

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

Donald Trump's nominee to be U.S. ambassador to NATO, Matthew Whitaker, pledged on Tuesday to strengthen NATO and said the ...