Here are all the hammerhead shark facts you need to know. Experts have identified at least eight living shark species in the ...

Klimley: Yes. The U.S. Navy, in fact, once considered the hammerhead the third most dangerous species after the great white and the tiger shark. (There are nine species of hammerheads, but the ...

So seeing a hammerhead shark (Sphyrna tiburo) embryo, halfway through its five-month development, is very unusual. Access to growing embryos is key for developmental biologists like me as we try ...