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

Dr. Peter Klimley is a man who has held his breath and dived down 100 feet to hand-tag hammerhead sharks with a dart gun. He has even dressed up as a killer whale, complete with towering black ...

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 ...