A U.S. fighter aircraft and a Russian fighter aircraft conducted a communication test in skies over south central Syria on Tuesday to validate safety protocols agreed between the two countries last month, a U.S. military official told Reuters. The U.S. military official, speaking on condition...

Warplanes pounded ISIS's de facto Syrian capital Raqqa on Tuesday, killing at least 23 people including 13 militants, activists said. The British-based Syrian Observatory for Human Rights said that either Syrian or Russian warplanes are believed to have carried out the strikes. "Thirteen...

A U.S. military satellite detected a heat flash over the Sinai at the time a Russian airliner crashed, killing all 224 people aboard, U.S. media reported. The Airbus A321 plunged to the ground Saturday 23 minutes after taking off from the Red Sea resort of Sharm-el-Sheikh on a flight to St...

Syrian government officials and members of the country's splintered opposition could meet in Moscow next week as Russia pushes to broker a political solution to the crisis, a senior official said on Tuesday. "Next week, we will invite opposition representatives to a consultation...