About 360 million years ago, the shallow sea above present-day Cleveland was home to a fearsome apex predator: Dunkleosteus terrelli. This 14-foot armored fish ruled the Late Devonian seas with ...

For generations, Dunkleosteus terrelli, also known as Ohio’s state fossil fish, has been a familiar figure for those in the Cleveland area, regarded as one of prehistory’s great sea monsters. This ...

In novels like “Moby Dick” or “20,000 Leagues Under the Sea,” monsters exist to aggravate and impinge on human life. Science, folklore, and fiction have villainized deep sea creatures for centuries, ...

A team of Japanese scientists, publishing their findings in Science, have turned their attention to an octopus fossil from the Cretaceous period. Judging by the evidence, this sea monster—a 62-foot ...

The headless chicken monster is a type of sea cucumber. Many animals have acquired silly nicknames from amused humans. Raccoons are trash pandas. Snakes are danger noodles. Ocean dwellers aren’t ...