Here are all the hammerhead shark facts you need to know ... sized bonnethead and winghead sharks independently evolved from ...

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 ...

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 ...

WASHINGTON— The Center for Biological Diversity submitted a petition today urging the National Marine Fisheries Service to protect the great hammerhead shark under the Endangered Species Act. Today’s ...