Iowa’s two U.S. senators both praised Matt Whitaker as President Donald Trump’s pick as the ambassador to NATO.

Volodymyr Zelenskyy met with Britain’s King Charles Sunday as European leaders rallied in support of the Ukrainian president after his dustup with U.S. President Donald Trump and Vice President J.D.

Germany's likely next Chancellor Friedrich Merz questioned on Sunday whether NATO would remain in its "current form" by June in light of comments by U.S. President Donald Trump's administration, and said Europe must quickly establish an independent defence capability.

While meeting with British Prime Minister Keir Starmer, Trump said he backed a key provision of the NATO alliance that requires members to come to the defense of another if attacked.

Defense and security experts urge calm, say Trump's overtures to Putin may not mean the worst for the future of NATO or Canada's close, 85-year-old military alliance with the United States.

President Donald Trump says Ukraine “could forget about” joining the NATO military alliance as he prepares to host Ukrainian President Volodymyr Zelenskyy at the White House on Friday. Trump also said he hopes to soon speak face-to-face with Russian President Vladimir Putin in hopes of reaching an agreement to end the war in Ukraine that began when Moscow invaded in February 2022.

President Donald Trump's pick as NATO ambassador is reassuring senators at his confirmation hearing that the Trump administration's commitment to the military alliance is "ironclad."

Victoria Coates, former deputy national security adviser during the first Trump administration, wonders if NATO allies aren't falling short of U.S. expectations as President Trump seemingly embraces Russia.

The EU's top diplomat said Thursday that NATO offered the best security guarantee for Ukraine, accusing President Donald Trump of falling for a Russian narrative by closing the door.

Romania's defence spending could reach 3% of GDP in stages in one to two years, interim President Ilie Bolojan said on Friday, signalling a further rise in its target as U.S. President Donald Trump presses NATO states to increase contributions.