WASHINGTON—A U.S. military proposal for arming Syrian rebels also calls for a limited no-fly zone inside Syria that would be enforced from Jordanian territory to protect Syrian refugees and rebels who would train there, according to U.S. officials. Asked by the White House to develop...

Sarin, a deadly nerve gas which the United States now says the Syrian regime has used against rebel forces, was developed by Nazi scientists in 1938. Originally conceived as a pesticide, sarin was used by Iraqi dictator Saddam Hussein's regime to gas thousands of Kurds in the northern town...

 American and European intelligence analysts now believe that President Bashar al-Assad’s troops have used chemical weapons against rebel forces in the civil war in Syria, an assessment that will put added pressure on a deeply divided Obama administration to develop a response to a...

Influential Sunni clerics from several Arab states including Saudi Arabia and  Egypt  called on Thursday for a holy war against the "sectarian" regime in  Syria . "We must undertake jihad to help our brothers in Syria by sending them money and arms, and providing all aid to...