In a study based in Washington, a group of researchers determined that the male ghost shark's forehead appendage, called a ...

A 242-million-year-old fossil found on a beach in Devon, England, is changing what we know about lizard evolution. A new ...

Eel movement involves stretch and pressure signals, enabling swimming, crawling, and recovery after spinal injury.

In the rainforest, much of life dwells in the tree canopy. But getting up there to study it isn’t easy. By the time a human ...

Ratfish developed "forehead teeth" called tenaculum for reproduction, offering rare insight into the flexibility of ...