We know they’ve got the appetite. We know they’ve got the teeth to back it up. And, we know the ocean provides them with a smorgasbord of menu items. But, if given their druthers, what do sharks eat?

While many sharks hunt for small, abundant prey when looking for a meal, great hammerheads have a supersized strategy with some big payoffs—eat other sharks. For a long time, scientists have observed ...

For the first time ever, researchers have found evidence of a top-of-the-food chain shark being killed by a predator, according to a study published Tuesday in the peer-reviewed journal Frontiers in ...