The ancestors of hammerhead sharks appeared on Earth around 20 million years ago. Over time, evolution saw it split into different species, with some getting smaller and its hammerhead changing in ...

long — the aptly named great hammerhead shark. Mackerel sharks (order Lamniformes) are a large group consisting of about 22 species in 10 different families. Some well-known mackerel sharks ...

Now, the hammerhead has that really unusual ... Whereas if it's just a gray-colored reef shark, there are lots of different species and they all look alike. NOVA: Have you ever felt in danger ...

Sharks have been around for hundreds of millions of years, appearing in the fossil record before trees even existed. But what did they evolve from, are they 'living fossils', and how did they survive ...

This remarkable young sea is thought to be around five million years old and home to nearly 900 species of fish and ... ago schools of hundreds of hammerhead sharks were seen at the seamount ...

Share on Facebook Share on Twitter Wichita’s Exploration Place science museum has opened an acclaimed new exhibit on sharks.

LA PAZ, Mexico— The Center for Biological Diversity has filed a groundbreaking lawsuit seeking protection for three species of hammerhead shark under Mexico’s Standard NOM-059-SEMARNAT-2010, the ...

Usually the fishes I study, including other shark species, lay eggs, which allows us to easily watch development in real time. Hammerhead sharks don’t lay eggs, though. They gestate their pups in ...

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 ...