This difference is not likely to be resolved during the Donald Trump administration, so the coming years will be complicated.

The city of Pokrovsk, in Ukraine's Donetsk region, is an important logistical hub and a target for Russian troops advancing from multiple directions. Ukrainian forces there say fighting has been ...

Military bases overseas are considered as proponents of the U.S.' power beyond its territorial bounds, according to a congressional research service report.

US and Russian officials are meeting in Saudi Arabia to lay the ground for talks about ending Vladimir Putin’s war in Ukraine ...

Despite the widely differing contexts of these conflicts, belligerents in all of them have used strategic bombing for a ...