When an explosion killed almost all of its leaders in a single blow last year, many thought it was the end for Ahrar al-Sham, a powerful Syrian insurgent group founded by members loyal to al Qaeda. But the group immediately re-emerged stronger. It replaced its leader and chose new...

Russia has deployed 28 combat planes in Syria, U.S. officials said Monday, confirming the latest move in Moscow's increasing military presence in the war-torn nation. "There are 28 fighter and bomber aircraft" at an airfield in the western Syrian province of Latakia, one of the officials...

Rebels who have inflicted big losses on Syrian President Bashar al-Assad say Russia's intervention in support of its ally will only lead to an escalation of the war and may encourage the rebels' Gulf Arab backers to pour in more military aid. Russia's deployment is prompting a...

Syrian regime warplanes attacked a busy market in a rebel-held neighborhood of northern city of Aleppo, killing at least 30 people and wounding more than 60, activists said. The deadly strike on the market in al-Shaar neighborhood on Monday occurred during the rush hours before Eid al-Adha that...