Vaindloo island, a tiny rocky outcrop in the Gulf of Finland, is serving as an unlikely barometer for rising tensions between ...

Russia has warned that NATO shooting down its aircraft would be a serious escalation that could lead to open war.

Russia has accused the U.K. of plotting a sabotage operation in a move that shows Moscow is setting the conditions for a ...

Denmark said Russia has been escalating its hybrid attacks, and that Russian warships had sailed on collision courses with ...

A supply of U.S. Tomahawk cruise missiles to Ukraine could help "push Russia back," Margus Tsahkna -- the foreign minister of ...

A new Danish intelligence assessment blames Russia for employing various 'gray zone' tactics against its forces.

NATO countries should anticipate “additional escalation” from Russia, according to The Heritage Foundation's Robert Greenway.

According to four NATO officials, the goal is to raise the cost of Moscow's gray-zone operations and strengthen deterrence ...

Intrusions into NATO’s airspace blamed on Russia have reached an unprecedented scale, raising questions about whether the ...

The long-planned “Steadfast Noon” exercise is taking place amid heightened security around European military facilities.

Recent Russian drone violations into NATO airspace have sparked a new sense of urgency for the alliance to acquire low-cost ...

In comments in the Oval Office, President Trump said that Spain was a “laggard” and must be pressed to spend more on its ...