"According to received reports, a drone was spotted at an altitude of about 200 meters, last seen near Vilnius," said Darius ...

At the end of the day, the EU needs U.S. weapons to keep Ukraine afloat into its struggle for survival against Russia.” ...

"Russia will be ready for confrontation with Europe — and therefore with us — as early as 2027," Polish Prime Minister Donald ...

BRUSSELS — The United States and NATO rejected key Russian security demands for easing tensions over Ukraine but left open Wednesday the possibility of future talks with Moscow on arms control ...

Flight data showed how American and British reconnaissance aircraft flew from England toward Russia on Monday.

NATO is unlikely to accede to Russian demands for a say-so on who joins the military alliance, so the best-case scenario, experts say, is that both parties just keep talking.

While the global spotlight recently focused on diplomatic tensions between the United States and Denmark over Greenland, a quieter but equally significant development has been unfolding farther north.

As the world grapples with multiple geopolitical flashpoints — from the fallout of strikes in Iran and stalled Ukraine-Russia ...

Putin: U.S. and NATO have "ignored" security demands 01:58. Russian President Vladimir Putin on Tuesday accused the U.S. and its allies of ignoring Russia's top security demands but said Moscow is ...

NATO troops, warships and aircraft are taking part in massive military exercises stretching across the Atlantic as tensions with Russia rise.

RIGA, Latvia — NATO foreign ministers began talks here Tuesday as the alliance confronts mounting tensions with Russia over its military buildup near Ukraine. U.S. Secretary of State Antony ...

Trump-NATO tensions are high but the Europeans were all smiles with the American president who they fear will withdraw from the alliance.