The U.N. has warned an Idlib offensive could cause the worst humanitarian catastrophe of the 21st century.
Two reports, one of which may have been censored by the Israeli military, claim Israel covertly armed and funded Syrian rebels for years.
After years under siege by their own government, wounded Syrians found unlikely aid from a longtime foe: Israel.
Bob Woodward's "Fear: Trump in the White House" will be released on September 11.
Up to 2 million civilians and opposition fighters await a Syrian military assault on the Islamist-held province of Idlib, a move championed by Russia and criticized by the West.
Russia's top diplomat warned the U.S. "not to play with fire" as Moscow rallied forces in support of the Syrian regime.
The defense secretary said the U.S. must support efforts so "the Syrian people can establish a new government that is not led by Assad."
There are increased fears that Russia, Syria and Iran are plotting an assault on the last major rebel stronghold in Syria, Idlib, where many civilians still live.
Russia has said the United States and its Western allies could amass the forces needed to attack Syria in just over a day, claiming they were preparing to do so under the false pretense of a staged chemical attack.
The Russian navy fired off grenades and machine guns in the Mediterranean Sea, where it says the U.S. is preparing to attack Syria under a false pretext.
The Russian military is reportedly sending 10 ships and two submarines—with more on the way—near Syria in response to a suspected U.S. military buildup.
The U.S. has twice attacked Syrian in response to reports of chemical weapons attacks, but Russia says the events were staged.
Iranian Defense Minister Amir Hatami said Syria and Iran had signed a new military cooperation deal as part of a reconstruction plan.
There have been hundreds of chemical attacks in Syria since 2011, but Bashar al-Assad continues to be protected by his Russian allies.
American journalist Austin Tice is still missing four years after the deaths of James Foley and Steven Sotloff.
Far from making a comeback, Syria's former Al-Qaeda affiliate awaits a devastating government offensive on the country's last rebel-held region.
France, Germany and Turkey have little leverage left as Russia seeks to secure international support.
It is up to Israel to develop a strategy that will bring medium-term peace to southern Israel.
The Russia-backed Syrian military has kicked ISIS out of another one of its last outposts, but will U.S. allies Israel and Jordan pay the price?
The Syrian Democratic Council, the political wing of U.S.-backed forces, called on others to support talks with Damascus.
Syrian President Bashar al-Assad called Russia "a great power" that "has a duty to the whole world."
Russian Colonel General Mikhail Mizintsev called the Soviet Union's efforts to rebuild after World War II "unparalleled."
"There are no legal grounds for further operations by American servicemen in Syria," Russian Defense Ministry spokesman Major General Igor Konashenkov said.
Israel, Turkey and the U.S. have all targeted the Syrian President Bashar al-Assad's air force, but the longtime leader stands to regain the whole country.