Marine biologists found detectable levels of caffeine, cocaine and the over-the-counter painkillers in the blood of 28 sharks ...

For decades, sharks have been cast as the ultimate solitary predators — cold, instinct-driven “killing machines” that roam ...

Weighing up to 500 pounds and measuring more than 11 feet long, bull sharks are massive apex predators that can live in both ...

Not all sharks pose the same level of danger to humans, but a small number are responsible for most serious encounters. These species combine size, speed, powerful senses, and opportunistic feeding ...

Off the southern coast of Fiji’s main island, a group of bull sharks returns to the same reef, week after week, year after ...

Bull sharks form social bonds and prefer certain companions, challenging the idea that they are solitary predators. These ...

The study found that 28 of the 85 shark samples analyzed had tested positive for at least one of the substances.

Drone observations show a previously unknown behavior in white sharks in which they rotate their first dorsal fin toward an object, possibly to investigate it, researchers said. Carlos Guana Journal ...