Shark "turf wars" have a "profound" effect on where seabirds nest, reveals new research. Scientists discovered a "critical" ...

Every summer, tiger sharks gather at a remote atoll in the Pacific Ocean to hunt fledgling seabirds. New research suggests it ...

In the deep ocean, far from sunlight, a small shark has been quietly carving perfect circles of flesh out of animals many ...

Sandbar, dusky and tiger sharks are among dozens of shark species living in the coastal waters off the U.S. East Coast. Little is known about many of the species, but a survey begun nearly 25 years ...

Tunas, billfishes, and some sharks, such as white sharks and shortfin mako sharks, have an ability known as regional endothermy, which allows them to maintain body temperatures higher than the ambient ...

A fight between a shark and a piranha is what one would expect to read about in a thriller novel, but not in scientific fact.

Part of the ocean food chain was on full display for divers in Maldives when a large eel attempting to eat a smaller eel fought with a rockfish over the prey before falling victim to a larger predator ...