In a joint statement with the United States, Britain, France, Germany and Gulf Arab allies, Turkey said Russia's actions constituted a "further escalation" of the conflict and would only fuel more extremism.
With increased Russian military activity in the Arctic, NATO member Norway reacted Thursday to a perceived threat.
The cost of the warring countries' mutual airline bans will be "in the tens, if not hundreds of millions, of U.S. dollars,” says one expert.
With Russian airstrikes in Syria, low oil prices and sanctions, Russian businesses are holding back on construction and expansion plans.
The Association of Muslim Scholars is warning that Russian airstrikes in Syria allegedly targeting ISIS could herald similar operations in Iraq.
"Washington's willingness to move forward with radars sends a clear signal."
Airstrikes supposedly aimed at ISIS appeared to hit everything but their purported target, experts said.
Moscow’s rhetoric about helping eliminate ISIS meant little while it continued to prop up Syria's President Bashar Assad, U.S. Defense Secretary Ashton Carter said Wednesday.
Ramzan Kadyrov is eager to send "world-class specialists" to help Russia fight the Islamic State group in Syria.
Israel said it received advanced notice of Russia's first airstrikes in Syria Wednesday as Western leaders worried about the areas targeted.
The latest move by the Kremlin is considered a fresh step to fortify Russia’s military buildup in Syria.
According to Putin, Monday's discussion between the two leaders was "very constructive, businesslike and frank." But the photos seem to tell a different story.
Crises in Ukraine and Syria were discussed Monday evening as U.S. President Barack Obama and Russian President Vladimir Putin met at the United Nations.
The country's sinking mobile phone sales are the latest example of how currency concerns are affecting average citizens.
"You can’t work together; you can’t put together victims and their killers," the French president said.
The policy has sparked considerable protest as video footage showed huge food supplies being bulldozed, even as more than 22 million Russians live in poverty.
The Republican presidential candidate, continuing a hawkish foreign policy perspective, defended techniques used against detainees.
Nigerian President Muhammadu Buhari will make history as the first Nigerian leader in 16 years to address the U.N. General Assembly on the opening day of General Debate.
The Russian president's remarks Monday were his first before the U.N. General Assembly in a decade.
U.S. President Barack Obama will address the United Nations General Assembly on Monday. Follow the speech live here.
With conflicts in both Syria and Ukraine, Russian President Vladimir Putin's remarks could be important to watch.
U.S. President Barack Obama will use the Iranian nuclear deal as an example of successful diplomacy during his U.N. General Assembly speech Monday.