Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Great hammerhead sharks (Sphyrna mokarran)—the funny looking big ...

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 ...

Shark cannibalism? A bizarre photo from University of Delaware oceanography researchers sure looks like it, and manages the unlikely feat of making sharks look even more frightening than they already ...

Fifty years after Jaws hit theaters, and there’s still a lot we don’t know about sharks, which lends to their reputation as mysterious predators. There’s even more we don’t know about ancient sharks, ...