But Russia’s commitment to Syria has not actually wavered, and Russia is not really distracted. The advance of Syria’s rebels ...

Nicole Grajewski is a fellow in the Nuclear Policy Program at the Carnegie Endowment for International Peace and an Associate with the Project on Managing the Atom at the Harvard Kennedy School's ...

Fighters from a U.S.-backed, Kurdish-led coalition battled Syrian government forces in northeast Syria early on Tuesday, both ...

The rebel coalition consists of "well-established armed Islamist factions who, despite their differences, are united in ...