The Strait of Hormuz, a narrow waterway at the mouth of the Persian Gulf, is rarely far from the center of global tensions. A ...

Thirty percent of the world's seaborne oil shipments pass through the Strait of Hormuz in the Middle East. But it's often a flashpoint for both regional and global powers.

As tensions between the U.S. and Iran rise, a series of incidents has put a strategic maritime waterway back into the spotlight: The Strait of Hormuz. WSJ’s John Simons explains. Photo ...