NATO's surprising move after Ukraine attack stuns Europe and the shocking decision will completely change everything you ...

NATO promised to use members' soaring defense budgets for a fivefold increase in air defenses. But there are problems beyond ...

The military alliance looks set to satisfy US President Donald Trump's demands to commit to a massive increase in defense spending. Some creative counting proposed by NATO head Mark Rutte could ...

Early this year, when Donald Trump was threatening to turn his back on NATO unless its members dramatically increased their ...

NATO Secretary-General Mark Rutte says that most allies endorse President Donald Trump’s demand that they invest 5% of gross domestic product on their security needs ...

Flight data showed how American and British reconnaissance aircraft flew from England toward Russia on Monday.

Trump's unpredictability causes great anxiety in Europe, particularly his questioning of the mutual defense promise at the ...

The head of the NATO military alliance warned Monday that no country could have an opt-out from a massive new hike in ...

U.S. military and NATO officials are discussing a possible plan that could be unveiled in the coming days to provide Ukraine ...

The NATO summit in The Hague reaffirmed the alliance’s commitment to Ukraine’s Euro-Atlantic future, and President Zelensky’s ...

CHARLES KUPCHAN is Professor of International Affairs at Georgetown University and a Senior Fellow at the Council on Foreign Relations. His most recent book is Isolationism: A History of America’s ...

While previous U.S. administrations invested significant diplomatic and political capital in promoting cross-regional ...