U.S. Defense Secretary Pete Hegseth's speech on Ukraine this week has thrown NATO into disarray. It raised troubling questions about America’s commitment to European security.

The topic of NATO enlargement and its implications for Cold War dynamics has gained renewed attention in light of recent geopolitical events, particularly Russia's invasion of Ukraine. The ...

In his first trip abroad, the new U.S. defense secretary told allies, including NATO officials, that a durable peace could ...

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 ...