A surprise offensive by rebel forces opposing Syrian President Bashar al-Assad's regime has led to a new round of fighting in the Middle Eastern country's long-running – but until recently largely ...

The Syrian military and its ally Russia conducted deadly joint air raids Monday on areas that Islamist-led rebels seized control of over the weekend. The strikes were a response to a lightning ...

Recent advances by a coalition of opposition rebel groups have abruptly altered the course of Syria’s civil war. Here's a closer look at the rebel groups shaping the post-Assad landscape in the ...