The Trump administration is making a mistake in providing vague and shifting legal rationales for the killing of an Iranian general.

Numerous competing theories are likely to surface about the demise of the Russian paramilitary commander—all of which help explain Vladimir Putin’s Russia.

Climate change is fueling geopolitical competition in the Arctic. An independent Greenland could play an important role in years to come.

An attack from Iran-aligned forces that killed U.S. service members near Jordan’s border with Syria risks direct U.S.-Iran conflict in a region already embroiled in widening violence.  

President Vladimir Putin appears to be in firm control of Russia today, but in order to maintain it in the years ahead, he will have to manage at least three primary challenges.

Armenia has been riven by disputes over its leadership since its military defeat by Azerbaijan last fall. Newly called elections are unlikely to reconcile the divisions in Armenian society caused by …