European officials knew the president’s win would threaten the fundamental precepts of the post-World War II order. But the ...

President Trump appears to pivot away from Ukraine and America's NATO allies, as the alliance rehearses for a theoretical ...

President Donald Trump's negotiations with Russia and comments from his cabinet have stirred European leaders.

The backdrop of these negotiations is closely tied to the political climate in the United States and Russia. Trump, aiming to ...

NATO members will have to bolster their defense spending by “considerably more than 3%” of their GDP, the alliance’s ...

United States Secretary of Defense Pete Hegseth, front left, and Britain’s Defense Secretary John Healey, front second left, pose with other ministers during a group photo of NATO defense ministers at ...

U.S. Secretary of State Marco Rubio said he met Polish Foreign Minister Radoslaw Sikorski in Washington on Friday and ...

Speeches delivered by J. D. Vance and Pete Hegseth were not just verbal lashings of America’s allies but a wholesale ...

Russia on Tuesday demanded NATO scrap its 2008 promise to one day give Ukraine membership of the U.S.-led NATO military ...

Aside from Ukraine, three issues are of major importance to Moscow: Eastward NATO expansion, the deployment of US ...

NATO Secretary General Mark Rutte weighs in on talks to end Russia's war in Ukraine and the future of the military alliance ...

The mutual-defense alliance has been central to Ukraine’s war against Russia, but the future is uncertain with President ...