Scientists studying bull sharks in Fiji found that the animals may have more complex social lives than previously thought.

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

For decades, sharks have been cast as the ultimate solitary predators — cold, instinct-driven “killing machines” that roam the ocean alone. Species like the bull shark (Carcharhinus leucas) were long ...

The concept of friends in the animal world is one that’s been studied fairly frequently. We’ve learned that jaguars have best ...