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

An unidentified drone suspected to have come from Belarus entered into Lithuanian airspace on Monday, according a local ...

Russian President Vladimir Putin's war in Ukraine and President Trump's tough stance on NATO have 'energized' the alliance ...

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

NATO's commitment to spend 5% of GDP on defense by 2035 was meant to unify the alliance, but it's revealing dangerous fault ...

NATO, the transatlantic alliance uniting 32 countries, was founded in 1949 to deter Soviet aggression. Seventy-five years on, ...

NATO remains vigilant. The North Atlantic Alliance said that in connection with the Russian-Belarusian military exercises ...

Polish and Swedish military aircraft were scrambled in response to a large Russian drone and missile attack launched across ...

"I am very open to having a public debate about the future of Austria's security and defense policy," Austria's Foreign ...

NATO's enhanced ground capabilities in the Baltic region spark Russian warnings as military focus intensifies on Kaliningrad ...

The defense alliance of 32 countries is planning to invest billions in its security over the coming decade. But it’s a ...

President Donald Trump has softened his stance on NATO. He once called the Western alliance "obsolete." Now, he says, it's ...