Syrian regime forces backed by Iranian troops edged closer to a major rebel-controlled highway south of Aleppo Tuesday, pushing further into insurgent-held areas supported by heavy Russian airstrikes. After seizing a series of villages including Zitan, Humaira and Qalaajiya, the army said it...

 The son of Turkish President Tayyip Erdogan has denied Russian allegations that he and his family were profiting from the illegal smuggling of oil from Islamic State-held territory in Syria and Iraq. Russia's defense ministry said last week it had proof that the Erdogan family was...

Countries involved in the Syrian peace process are set to meet in New York on Dec. 18 but the talks may hinge on efforts to unite Syrian opposition groups in the coming days, U.S. Secretary of State John Kerry said on Tuesday. Russia, the United States, European and Middle Eastern countries...

Three-day conference gets under way in Saudi capital Riyadh without Kurdish groups, which are holding their own meeting. Saudi Arabia is  hosting a three-day meeting in Riyadh to try to unite the Syrian opposition before potential talks with the government of President Bashar al-Assad....