MOSCOW, May 21 (Xinhua) -- Russia's air defenses shot down 159 Ukrainian drones over various regions of the country overnight, the defense ministry said Wednesday.

WASHINGTON/MOSCOW, May 21 (Xinhua) -- Ceasefire negotiations between Russia and Ukraine "will begin immediately," said U.S. President Donald Trump after his two-hour call Monday with his Russian ...

莫斯科大学的学科门类齐全，设有数学力学系、计算数学与控制论系、物理系、化学系、航天系、世界政治系、高级翻译学院、高等商学院等 43个院系，下设 370 多个教研室。校园内还分布着核物理研究所，天文研究所，理论和数学物理研究所等 15 个高级研究型院所 ...