NATO aircraft were scrambled Sunday night to respond to a Russian attack on Ukraine, the Polish military said Monday.

A Norwegian P-8A "Poseidon" flew close to Russia's major submarine hubs in the Murmansk region before heading to the ...

NATO chief Mark Rutte is pushing the Allies to swiftly build up their jet fighters and missiles to avert an all-out war with ...

Business Insider got access to a NATO AWACS flight for an eight-hour surveillance mission over Eastern Europe.

President Trump’s threats have raised questions about how much leverage the United States has left with Moscow.

While there are currently no plans for Austria to seek membership in NATO, the foundation for joining the alliance may already be in place.

NATO's commitment to spend five percent of GDP on defense by 2035 was meant to unify the alliance, but it's revealing ...

The Ukrainian military said a Russian missile strike on a training facility in the north of the country killed at least three ...

Russia is rapidly militarizing the Arctic, forging closer ties with China, and exploiting NATO weaknesses. The Arctic could ...

Russia’s arms production has significantly ramped up, but NATO still holds key advantages in modern artillery systems and ...

Over half the neighbors' joint drills since 2019 took place in the past six years as the quasi-alliance matures.

RFE/RL and the Conflict Intelligence Team (CIT), an open-source intelligence group, analyzed Russian and Western weapons production to assess whether Russia really has a twelvefold lead over the US ...