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.

NATO continues to prepare for military exercises involving the United States this year and beyond, the alliance said.

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 ...

If the United States is to prepare for conflict with China, it will need the backing of the world’s oldest defensive security alliance, NATO, a former U.S. ambassador to that alliance told a Dayton ...

As some Republican lawmakers push for the US to leave NATO, questions arise about the alliance's role, history, and impact on ...

Ukraine and European NATO countries significantly depend on American arms imports. According to the SIPRI report, American ...

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

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

A politician vying to replace Justin Trudeau as Canada's next leader has suggested forming a closer alliance with Britain and ...

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