MOSCOW — Russian authorities on Thursday closed all four of Moscow’s airports, plus a fifth one in a city about 100 miles southwest of the country’s capital, citing unspecified safety concerns.

Nearly three years of war have devastated much of Moscow's military, but its other forces, like its naval fleet and air force, remain strong.

HMEIMIM AIR BASE, Syria — The Sukhoi fighter aircraft punched through the clouds, its growl echoing over Russia’s Hmeimim air ...

Russian forces captured two villages in Ukraine, one in Kharkiv region in the northeast and one in eastern Donetsk region, ...