Syrian regime forces and allied militia backed by Russian airstrikes launched an offensive against rebels in the Ghab Plain in western Syria Thursday, the Britain-based Syrian Observatory for Human Rights and a rebel fighting there said. Rebel groups led by the dominant Ahrar al-ShamIslamic...

Syrian troops and militia backed by Russian warplanes mounted what appeared to be their first major coordinated assault on Syrian insurgents on Wednesday and Moscow said its warships fired a barrage of missiles at them from the Caspian Sea, a sign of its new military reach. The...

Russian jets hit Islamic State targets in the Syrian city of Palmyra and the northern province of Aleppo, Syrian state television and a monitoring group said on Tuesday, in some of the heaviest Russian attacks on the hardline Islamist group, Reuters reported. The strikes destroyed 20...

NATO on Tuesday rejected Moscow's explanation that its warplanes violated the air space of alliance member Turkey at the weekend by mistake and said Russia was sending more ground troops to Syria and building up its naval presence. With Russia extending its air strikes to include the...