Russia is also increasing its military flights to the country, according to U.S. officials.
The rebels had pledged to fight only ISIS with their American training.
Establishing the zones could draw the U.S. into a war with Syria.
Austin Tice was kidnapped 1,000 days ago while covering the Syrian civil war.
Shaheen called on the international community to end Assad's weapons production capabilities.
The U.N. urged Syria to continue eliminating its chemical weapons "as quickly as possible."
The administration ordered Syria to suspend all diplomatic operations in the U.S.
Sen. John McCain (R-Ariz.) said the United States has few choices other than to rely on Russia to...
Sen. Richard Blumenthal (D-Conn.) called on Congress Thursday to toughen sanctions against Syrian...
Returning from Easter break, I was stunned when I read that House Speaker Nancy Pelosi (D-Calif.)...
The first class disintegrated after they deployed into Syria.
The administration is seeking to defend Syrian rebels from ISIS and the Assad regime.
The move could bring U.S. forces closer to war with Syria.
Four senators called the civil war "the world's worst humanitarian crisis in recent times."
Members of the House Armed Services Committee want more specifics from Obama.
Sen. John McCain (R-Ariz.) said President Obama must hold Syrian President Bashar Assad accountable...
Sen. Tim Kaine (D-Va.) demanded Sunday that Syrian President Bashar Assad allow humanitarian...
The report says Moscow has hailed the deal as a major victory.
Senate Foreign Relations Chairman John Kerry (D-Mass.) met Saturday with Syrian President Bashar...