US President Donald Trump has issued Russian President Vladimir Putin with an ultimatum as the West threatens to boycott the ...

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

Spain is not the only sceptic among NATO’s ranks. Slovakia, while less vocal, has also expressed ambiguity towards the 5% threshold. President Peter Pellegrini formally backed the target in The Hague, ...

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

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.

Vladimir Putin said allowing Ukraine to use long-range Western weapons would mean NATO countries were “at war with Russia.” It was one of his most direct threats yet.

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 ...

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

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.

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