According to reports, the Novorossiysk, a Kilo-class diesel-electric submarine operated by the Russian Black Sea Fleet, was ...

NATO began its annual nuclear exercise, Steadfast Noon, on Oct. 13 to strengthen the alliance's nuclear deterrence readiness, ...

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.

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

Dozens of drones were shot down while heading toward Moscow from Monday evening through to Tuesday morning, according to city ...

Russian incursions into NATO airspace are fueling divisions among allies, with some warning that repeated Article 4 signals ...

A senior Estonian military official said Russian pilots ignored signals from Italian jets during a 12-minute violation of ...