Megalodon teeth are the largest of all shark species. With teeth that can measure up to the size of a human hand, it is easy to imagine just how enormous these ancient sharks were. However, there is ...

PORTLAND, Maine (AP) — Sharks are the most feared predators in the sea, and their survival hinges on fearsome teeth that regrow throughout their lives. But changes in the ocean's chemistry could put ...

Shark teeth found in 5-million-year-old whale skulls provide direct evidence of ancient feeding behavior and predator-prey ...

Add Yahoo as a preferred source to see more of our stories on Google. Charles Shelton Jr. displays sharks teeth and fossils found during recent trips to Myrtle Beach. Shelton, who has hunted sharks ...

Editor’s note: Every year, hundreds of undergraduates at the University of Delaware pursue research under the guidance of a faculty mentor. Such experiences provided by UD — a nationally recognized ...

PORTLAND, Maine -- Sharks are the most feared predators in the sea, and their survival hinges on fearsome teeth that regrow throughout their lives. But changes in the ocean's chemistry could put those ...

Gigantic extinct sharks have something to tell us from millions of years ago, and paleontologists are only just beginning to unravel that message. In a series of firsts, paleontologists have ...

On a cold Monday morning near the Springmaid Pier in Myrtle Beach, ocean waves are lapping onto Charles Shelton Jr.’s black, rubber boots as he dips his metal scoop into the sand and examines its ...