Hidden along Florida’s Gulf Coast is one of the most unusual fossil-hunting destinations in the United States. Venice, Florida has earned the nickname “The Shark Tooth Capital of the World” because ...

A rendering of Clavusodens mcginnisi, or “McGinnis’ nail tooth,” an ancient shark that stalked the ocean floor 340 million years ago. Rendering courtesy of the National Park Service A shark no larger ...

Sharks are a group of elasmobranch cartilaginous fishes characterized by a ribless endoskeleton, dermal denticles, five to seven gill slits on each side, and pectoral fins that are not fused to the head. Modern sharks are classified within the division Selachii[1] and are the sister group to the Batomorphi (rays and skates).

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Sharks, having evolved in Earth’s oceans more than 400 million years ago, have changed little since their emergence. Their streamlined bodies were built for speed and maneuverability in coral reef environments and the open ocean.

Shark sightings have surged at Southern California beaches during an unusually warm spring, and experts predict a “sharky summer” ahead. Juvenile great whites seen near local shores do not view...

California sees great white shark surge. Why that’s a good thing - Los ...