Countries on NATO's eastern flank, pressed up against Russia, are more anxious about moves by Moscow than other NATO states.

Today, I report on Mark Rutte visiting the White House with his Trump-pleasing strategy under heavy scrutiny, and our Rome bureau chief has news of Italy’s attempts to distance itself from the US war ...

FMR US Ambassador to NATO Kurt Volker critiques key NATO allies for blocking American forces from using their bases and ...

Trump is reportedly considering pulling the U.S. out of NATO, and European leaders are coming to terms with what may be a ...

President Donald Trump issues a final ultimatum to Iran to reopen the Strait of Hormuz by tonight, threatening US military ...

NATO’s secretary general is heading to the White House next week as President Donald Trump lashes out over European allies’ ...

By John Irish and Steve Holland PARIS/WASHINGTON, April 1 (Reuters) - Tensions between the United States and NATO allies ...

Doubts that the United States would come to the aid of NATO allies increase each time, prompting Europeans to consider an ...

The U.S. airman was pulled from Iran following a multi-agency response greenlit by the president over the weekend.

President Donald Trump lashed out Monday at NATO allies who did not support the United States in the war in Iran and ...

The more than four weeks of strikes on Iran has driven a wedge between the U.S. and many of its European allies in NATO.

James Stavridis, a former NATO commander, on Monday said Iran hasn’t accepted a ceasefire because they “still have cards” to ...