Many of the ships stranded in the Persian Gulf depend on coverage negotiated at Lloyd’s, the center of marine insurance for more than 300 years.

© Joseph Horton for The New York Times

President Trump’s pendulum swings on Iran have often seemed driven by mood and moment rather than any discernible strategy.

© Doug Mills/The New York Times

The American blockade and Iran’s control of the Strait of Hormuz have created a stalemate that is neither peace nor raging conflict, with both sides attempting economic strangulation on the water.

© Reuters

A Russian tanker seemingly en route to Cuba with a lifeline of fuel has changed direction, a painful development for the island suffering under a U.S. oil blockade.

© Jorge Luis Banos/Associated Press

After three months, the fallout of the closure of the Strait of Hormuz is spreading, with developing countries bearing the brunt of the shortfall.

© Picture Alliance, via Getty Images

The U.S. blockade has intercepted dozens of vessels since mid-April. But a small number of ships with Iranian cargo are still sailing.

NATO should overcome its distaste for President Trump and sends its navies to help open up the Strait of Hormuz.

The murkiness in the Strait of Hormuz reveals a darker side of global shipping: Some vessels don’t want to be found.

With President Trump’s visit to Beijing looming, China is pushing Iran to negotiate even as its companies export material that could be used by Iran’s military.

A 19th-century military strategist should be required reading at the Pentagon.

The war in Iran has disrupted supplies of diesel, used to power trucks and heavy equipment, much more than gasoline, which is primarily used in passenger cars.