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.

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 …

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.