A deep keel seems like the obvious way to keep a ship from capsizing, so why do massive cargo vessels abandon it entirely?

A ship that capsized in July off the coast of Thailand’s tourist hotspot Phuket — leaving dozens of Chinese tourists dead — was plucked out of the sea on Saturday, immigration officials said. In July, ...

The search continues for 16 people still missing after the Italian luxury cruise ship Costa Concordia hit a rock and rolled on to its side Friday off the island of Giglio in the Mediterranean Sea.

A floating platform lifting thousands of tons sounds like it should tip over instantly, yet these crane barges do it routinely in open water. Here's the clever combination of hull geometry, ...