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 ...

Here are all the hammerhead shark facts you need to know ... The behavior may have something to do with their migration ...

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 ...