U.N. peacekeepers' "freedom of movement is severely constrained in the current context," a U.N. official told Newsweek.

Rebel forces in Syria captured the capital Damascus and toppled the regime of President Bashar Assad in a lightning-quick ...

The rapid fall of Syria’s autocratic ruler, Bashar al-Assad, this past weekend was one of the most consequential developments ...

By lowering the threshold for direct strikes, the tit for tat has boosted the odds that the two most powerful states in the ...

Russian state media also tried to downplay Russia's relationship with Syria after Bashar-al-Assad's regime collapsed.

The Assad regime suddenly and dramatically fell Sunday after 13 years of brutal war. Here's a brief background.

The U.S. and its partners want to ensure the Islamic State can’t fill the leadership void following President Bashar Assad’s ...

The president-elect claimed Russia is in a "weakened state" due to the Ukraine conflict and urged Putin to negotiate.

As Iran deals with the strategic setback of Syrian President Bashar al-Assad’s ouster, a vicious cycle of confrontation and ...

Syria's brutal civil war rekindled suddenly after 13 years, with rebels staging a shock offensive that forced long-time ...

Islamic State militants seized large parts of Iraq and Syria in 2014, declaring a caliphate. The U.S. gathered a coalition of ...

Follow NBC News for live updates of the latest coverage from Syria where rebels led by the Hayat Tahrir al-Sham has ousted ...