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

Dmitry Medvedev took aim at President Joe Biden on Sunday as he criticized the president's approach to the Russia-Ukraine war.

It may be too extreme for Canada or Denmark to view the U.S. as an enemy in the wake of Trump annexation threats, but the line between enmity and amity is currently blurred.

Congress passed legislation that a president cannot unilaterally withdraw from NATO, setting up a major legal fight if Trump tries to pull the US out.

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

The alliance has stepped up intelligence, surveillance and reconnaissance activities around the Baltic Sea amid concerns of Russian gray zone warfare.

The U.K., France and other allies have discussed the possibility of deploying peacekeeping troops to Ukraine as the war escalates.

Two Norwegian F-35s stationed in Poland were deployed on Wednesday in response to a "massive number of airborne Russian aircraft" that approached Poland's air space, NATO's air command said on Thursday.

Nato warplanes were scrambled overnight because of a major Russian missile and drone attack on Ukraine’s critical infrastructure.

Top Foreign Affairs Republican Sen. Jim Risch predicted the U.S. would not abandon NATO under the Trump administration, and promised to work with the new president to strengthen it instead.

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