U.S. President Donald Trump's envoy to Ukraine, Keith Kellogg, said Russia's concern over the eastward enlargement of NATO ...

Russian forces launched a drone attack overnight that targeted a Ukrainian town on the border with NATO member Romania, Ukrainian officials said on Friday.

Jonathan Powell, Britain’s national security adviser, will attend the next round of Russia-Ukraine peace talks on Monday ...

As Germany’s new chancellor increases military spending, he has presided over the activation of a German tank brigade based ...

Thousands of troops are taking part in military drills in northern Finland, close to the alliance's border with Russia.

A previously unknown Russian hacking group was behind attacks last year on the networks of the Dutch police, NATO and several ...

The U.S. and its NATO allies in Europe would dominate the airspace in a potential conflict with Russia and enjoy a decisive battlefield advantage, a new Air Force-commissioned report says.

Poland's military said that all procedures had been activated to ensure the safety of the country's airspace following a ...

Representatives from NATO-aligned countries are wrapping up a gathering in Ohio to mark the Dayton Peace Accords that ended ...

Russia has criticized Serbia for exporting arms to Ukraine, saying it’s a stab in the back by its traditional Slavic Balkan ally ...

President Vladimir Putin's conditions for ending the war in Ukraine include a demand that Western leaders pledge in writing ...

In the U.S., the re-enactment of historical battles has long been a niche hobby. But fake battles that echo an ongoing war ...