Ukraine's leader says partners sending ground troops would help "force Russia into peace," as America's European allies ponder Trump's next move.

Europe’s security “is on a knife-edge” and President-elect Donald Trump is right to say NATO member nations must increase military spending, Britain’s top diplomat said Thursday.

Peter Magyar, the opposition challenger to Prime Minister Viktor Orban, told Reuters he would keep Hungary firmly anchored in ...

The plans will focus on Ukraine's air force, drone programs and air defense capabilities, among other parts of Kyiv's military, a U.S. defense official said.

Ukraine's accession to NATO does not pose a threat to other countries. The alliance's expansion occurs at the request of ...