Moscow sees growing chances for an international agreement on solving the conflict in Syria and on fighting ISIS in the Middle East, a Russian diplomatic source said Wednesday.

The Syrian government has intensified its airstrikes on the ISIS-held ancient city of Palmyra, killing more than 100 people including civilians in recent days, activists said Wednesday. The fierce raids follow the delivery by Russia of new arms including warplanes to its ally Syria....

U.N. Secretary-General Ban Ki-moon has appointed the heads of four working groups on Syria, the United Nations said on Tuesday, signaling a step toward talks where warring parties are expected to discuss how to implement a roadmap for peace. "It is hoped that their outcomes...

World leaders will gather for their annual meeting at the United Nations starting Friday as Europe faces a flood of asylum seekers, many fleeing Syria's civil war in the worst humanitarian crisis since the world body was created 70 years ago. Islamic State will also top the...