The United States has expanded a runway at a northern Syria air base to accommodate the large C-17 military plane needed to help with logistics for the push to retake the ISIS stronghold of Raqqa, a U.S. defense official said Tuesday. The huge military air freighter will play an essential...

The European Union's aid chief called for more humanitarian access in Syria on Tuesday at an international conference meant to support the country's ailing peace prospects, but one that quickly got overshadowed by a chemical attack inside Syria. As Christos Stylianides spoke at the gathering...

U.N. Syria envoy Staffan de Mistura said Tuesday that a "horrific" attack on a rebel-held town in the country that killed at least 58 people was believed to be chemical and launched from the air. "What we have understood, it was a chemical attack and it came from the air," de Mistura told...

A chemical attack that killed 58 civilians, including 11 children,  in a northwestern town Tuesday "calls the political process into question", the opposition's chief negotiator at peace talks told AFP. "If the United Nations cannot deter the regime from carrying out such crimes,...