Russia has been accused by NATO countries of hybrid warfare following unauthorized drone flights over critical infrastructure ...

In a warehouse more than 1,500 kilometers (900 miles) from Ukraine's capital, workers in northern Denmark painstakingly piece ...

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

Ukrainian President Volodymyr Zelensky said Russia is testing the integrity of European NATO allies with airspace violations ...

Romanian authorities said drone fragments were found inside the country's southeastern border region after Russian strikes on ...

Russia has capacity for a limited attack against NATO territory at any time but a decision to act would depend on the Western ...

Rome’s public debt-to-GDP ratio will soar to near-record 148% if it meets promises to allies through extra borrowing ...

NATO and U.S. allies try to assuage fears over bolstering Russia as the Pentagon announces a U.S. troop reduction in eastern ...

U.S. troops withdrawing from Romania spark Republican opposition amid Russia-Ukraine war tensions and concerns over weakened ...

The United States has informed NATO allies that it will reduce its troop presence along Europe’s eastern border with Ukraine.