Russia’s military buildup in Syria could set back the self-proclaimed Islamic State and lay the groundwork for a political transition, but could also lead to a confrontation with the United States, s…

The prospects for a comprehensive nuclear deal with Iran before a looming deadline look promising, but the United States and its negotiating partners still must clear major obstacles, says expert Suz…

Allan Gyngell, a former Australian diplomat, says there is concern in Australia and East Asia that the next U.S. president might retreat from the United States’ support for free trade.

Andrew Kohut, director of the Pew Research Center for the People and the Press, says a nationwide survey conducted in association with the Council on Foreign Relations finds that, for the first time …

Without diplomatic progress over the next several weeks, world powers and Iran may squander their best opportunity for a comprehensive nuclear agreement, says expert Daryl G. Kimball.