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 ...

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

Trump has reportedly discussed the possibility of adjusting engagement to favor allies that spend a set amount of GDP on ...

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 ...

Trump pledged to end Russia’s war with Ukraine immediately upon taking office. That didn’t happen. Now, he’s looking for someone to blame.

Putin is close to reversing the Cold War’s outcome, but not because of Russian power. The Trump administration is simply ...

When Joe Biden was President, and support for Ukraine was very strong in the U.S., Mearsheimer seemed like the odd man out.

U.S. and British commanders said on Tuesday joint military exercises were vital for providing Europe with a deterrent to Russia, a show of unity after President Donald Trump's overtures to Moscow ...

NATO Secretary-General Mark Rutte said on Tuesday the alliance is committed to its peacemaking mission in Kosovo and urged ...