NATO Secretary General Mark Rutte joins Morning Joe to discuss meeting with President Trump in the White House on Thursday.

Matt Whitaker, Trump's NATO ambassador nominee, affirms U.S. commitment to the alliance despite Trump's recent criticisms.

Russian President Putin expresses conditional support for a US-proposed ceasefire in Ukraine, while emphasizing the need for ...

Trump has discussed with aides the possibility of calibrating America’s NATO engagement in a way that favors members of the alliance that spend a set percentage of their gross domestic product ...

Russia demanded that NATO rescind its 2008 promise to eventually grant Ukraine membership and stressed this as insufficient without explicit revocation. Russian Foreign Minister Sergei Lavrov ...

Europe is staring down the barrel of a stark new reality where the United States being the backbone of NATO – the alliance that has guaranteed the continent’s security for almost 80 years ...

NATO members will have to bolster their defense spending by “considerably more than 3%” of their GDP, the alliance’s Secretary General Mark Rutte said Saturday. The alliance chief’s ...

NATO is testing its ability to rapidly deploy across eastern Europe — without direct U.S. assistance — as Washington shifts its approach toward European defense and the war in Ukraine. The six ...

MADRID — European Union leaders on Friday downplayed skepticism from U.S. President Donald Trump about solidarity among NATO members a day after they backed plans to spend more on defense amid ...

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 ...

President Donald Trump cast doubt Thursday on a core tenet of the NATO security alliance — that an attack on one member is an attack on all and must draw a response. Trump, speaking to reporters ...