Diminished support for the Syrian government from Iran, Hezbollah and Russia enabled opposition forces to take the initiative ...

At least 25 people were killed in northwestern Syria in air strikes carried out by the Syrian government and Russia, the ...

The sudden assault by Syrian rebels has rapidly redrawn the civil war’s front lines and threatened once again the authority ...

At least 25 civilians, including 10 children and four women, were killed on Sunday in Russian and Syrian government ...

Iranian-backed militias entered Syria overnight from Iraq and were heading to northern Syria to beef up beleaguered Syrian army forces battling insurgents, according to two Syrian army sources.

The Syrian military rushed in reinforcements Sunday to push back insurgents from advancing farther into the countryside.

As things stand this morning, the Syrian army says that anti-government forces have now taken control of "large parts" of ...

The rebels have made stunning gains against President Bashar al-Assad’s forces, with Russia, Iran and Hezbollah distracted by other conflicts.

A surprise offensive by rebel forces opposed to Syrian President Bashar al-Assad's regime has led to a new round of fighting ...

Follow NBC News live updates for the latest on the fighting between rebels and government forces in Syria and the wider ...

Rebel groups have launched the largest offensive in years against government forces, capturing the city of Aleppo.