Ebrahim Raisi was more loyal to hard-line Supreme Leader Ali Khamenei than previous presidents, and whoever succeeds him is likely to be just as conservative.  

Russia’s early setbacks in its invasion of Ukraine could have foreclosed on some of President Vladimir Putin’s sweeping war objectives, but he is unlikely to relent given the conflict’s momentum.  

The transatlantic alliance has begun to connect its traditional security interests in Europe with the geopolitical dynamics in the Indo-Pacific region, including tensions between China and Taiwan.

Well-documented crackdowns on religious freedom in China, especially against Muslims and Christians, only show part of Beijing’s religious policy. Another side involves state support for “indigenous …

Grueling work, financial stress, and shifting values are pushing too many of the navy’s nuclear personnel out of the service. Here’s how it can turn things around.

The two-year-old war in Ukraine—which is far from deadlocked—could pivot dramatically in the coming months. U.S. decisions will play a decisive role.

A little-known treaty provides transparency for confirming arms control agreements and serves as an important measure of the health of the U.S.-Russia relationship.