The Texas coastline is seeing a rare and unusual sight: thousands of mysterious sea creatures washing ashore after what ...

Seeing even one of these sea creatures is rare.

An incredibly rare deep-sea fish has been spotted on the California coast.

Along long stretches of the Texas shoreline, thousands of rare sea creatures have been turning up dead or dying, transforming ...

Along the rocky coast of eastern Italy at night, researchers scanned a tide pool in hopes of seeing something interesting. A "leaf"-like sea creature caught their attention - and for good reason. It ...

A group of “rarely seen” Gervais’ beaked whales was recently spotted near Madeira, a Portuguese archipelago, photos show. Screengrab from the Magic Dolphin ecotour agency A mysterious group of ...

These three fish are freaks, phantoms and mysteries of the deep. Here’s what we’ve learned from the rare glimpses we’ve had of their lives. The deep sea is one of Earth’s final frontiers. Given its ...