The historian Procopius described how a creature called Porphyrios terrified sixth-century sailors for 50 years. But what was ...

What starts as a calm day on the water becomes pure chaos when a giant fish hooks up and won’t let go. The fight is unreal.

Rog Hanson emerges from the coastal waters, pulls a diving regulator out of his mouth and pushes a scuba mask down around his ...

The ocean covers more than 70 percent of Earth’s surface, yet we’ve explored less of it than we have the surface of the moon.