Every summer, the quiet waters of Willapa Bay in Southwest Washington become a shark superhighway. By JES BURNS OPB Catching ...

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.

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 ...

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

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 ...

Long before Jaws, long before Megalodon, and even long before Tyrannosaurus rex prowled the land, a colossal shark patrolled the ancient seas of what is now northern Australia. New research reveals ...

Fossils reveal that giant predatory sharks existed 15 million years before megalodon and were already top predators in Cretaceous seas.

Deep below sunlight, a rarely seen frilled shark reveals ancient anatomy, slow reproduction, and mysterious habits, offering ...