Russia has started to prepare for war with Poland, the country’s military chief has said, in comments that echo warnings by European leaders about Moscow’s intentions post-Ukraine. General Staff of the Polish Armed Forces,

Some of America's closest European allies say they're already in a gray zone between peace and war with Russia.

Military capability of Western alliance remains 'formidable' despite questions around US commitment to untested 'mutual assistance' agreement

A drone was detected around five miles into Romanian airspace in the early hours of Wednesday morning, the country's defense ministry said.

Poland has scrambled fighter jets just hours after a top general warned Russia is preparing for war against NATO. The Eastern European country's Armed Forces posted on social media details of "preventative" actions taken overnight to secure airspace in parts of Poland close to regions in Ukraine under attack from Russia.

Russia has capacity for a limited attack against NATO territory at any time but a decision to act would depend on the Western allies' posture, a top German military official warned.

Three months after President Trump met with Russian leader Vladimir Putin in Alaska, the fighting between Russia and Ukraine continues without a clear path toward peace between the two countries. What would it take to get Putin and Ukrainian leader Volodymyr Zelenskyy into a room together for a meeting?

Is NATO rehearsing for a Russia-style strike in broad daylight? Dramatic new footage from the North Sea shows a NATO submarine launching a powerful torpedo during Exercise Ægir 25 — sinking a decommissioned Danish frigate in seconds.