I was once at the surface playing low-frequency sounds over a speaker to attract sharks. A hammerhead shot up from beneath me, rushing at me at perhaps 30 feet a second before he suddenly turned ...

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 ...

Footage from a previous study supports this idea. This video spotted a hammerhead shark swimming during a deep dive off the coast of Tanzania. The shark's gills are almost invisible, suggesting ...

The Sea of Cortez, also known as the Gulf of California, is a unique corner of the Pacific Ocean. This remarkable young sea is thought to be around five million years old and home to nearly 900 ...