The two age-old foes and NATO allies exchange barbs ahead of a key summit

The spat comes days after reports in Greece accused Ankara of granting citizenship to a number of IS

Athens says Ankara is violating EU deal blocking migrant sea crossings to Europe; Ankara has not com

Could the tragedy trigger of a new era of earthquake diplomacy between the rival NATO allies? 

Turkish President Recep Tayyip Erdogan confirmed Ankara has started testing of the Russian-made syst

Greece says it has the right to defend its borders; Ankara previously alleged Athens engages in syst

Human rights groups criticize Europe's response to surge in migrant arrivals

Human rights groups criticize Europe's response to surge in migrant arrivals

Grappling with rising illegal immigration, Greece gets tough with asylum seekers, moving to deport t