Russia is believed to be behind dozens of hybrid attacks, like arson or sabotage, on NATO soil since the Ukraine war started.

Congress passed legislation that a president cannot unilaterally withdraw from NATO, setting up a major legal fight if Trump ...

Hundreds of Swedish troops have arrived in Latvia to join a Canadian-led multinational brigade along NATO’s eastern flank ...

Planned Russian military reforms that would increase Moscow's troop numbers by 30% are a threat to NATO and should be met ...

Japan on Thursday formally inaugurated an independent mission to the NATO military alliance as Tokyo and NATO seek to bolster cooperation amid escalating tension from Russia, China and North Korea.

Polish authorities had said on Wednesday that fighter jets were scrambled after "intense long-range aviation activity" was detected from Russia.

NATO aims to bring forward a decision on new targets for weapons and troop numbers to this summer, a top military official ...

A new NATO-led air defense mission in Poland sprang into action this week by scrambling F-35 jets in response to a potential ...

Russia will demand Ukraine drastically cut back military ties with the NATO alliance and become a neutral state with a ...

Germany, Poland, Britain, France and Italy will implement as swiftly as possible new NATO targets for weapons and troop ...

The move marks yet another step in the systematic military encircling of Russia by the US-led military alliance, which ...

Russia is "not constrained by the thought of large numbers of innocent victims," Russia expert Keir Giles told Newsweek.