NATO's members with assets within firing range of Iran, are feeling the heat from the escalating war in the Middle East.

Trump reportedly disappointed in U.K.'s hesitation on Iran campaign as European allies show mixed support for U.S.-Israel military operations against Tehran.

Russia is expanding ​military units at the border with NATO, giving them battle experience in Ukraine, and could ‌use them as hubs in a conflict with NATO after the war, Lithuanian intelligence said on Friday in its annual assessment of security threats.

After signing with the Pentagon, could NATO be OpenAI’s next customer?

Two NATO Joint Force Commands led by U.S. officers will transition to be European-led in an apparent answer to President Trump's calls for Europe to contribute more to its defense.

BRUSSELS, March 5 (Reuters) - NATO Secretary General Mark Rutte told Reuters on Thursday the alliance was vigilant and ready to defend every inch of its territory after Iran fired a ballistic missile towards NATO member Turkey.

NPR's Michel Martin speaks with former NATO Ambassador Kurt Volker about the role of the alliance in the U.S.-Israel-Iran war.

Finland plans to lift a ban on importing nuclear weapons, citing NATO membership and the need to strengthen national defense.