The Trump administration’s killing of an Iranian military commander in Iraq raises questions about its legality under domestic and international law.

With this major U.S.-Russia nuclear arms control agreement set to expire next year, Washington should coordinate with Moscow for a New START treaty extension to allow for further negotiations and the…

A pending U.S. withdrawal from the Treaty on Open Skies has alarmed some allies in Europe, who fear losing a valuable means of monitoring Russia.

With Chancellor Angela Merkel stepping down after sixteen years in office, the leadership of Germany, and the EU, is wide open. What is Merkel’s legacy, and what comes next?

An imprisoned opponent, dire economic conditions, and ongoing tensions with the United States all pose challenges to President Erdogan’s increasingly erratic leadership.