Add Yahoo as a preferred source to see more of our stories on Google. The only thing scarier than an ocean filled with sharks, is an ocean with no sharks at all. That might be the future we’re heading ...

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 ...

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 ...

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 ...

Bull sharks (Carcharhinus Leucas) are one of the ocean’s most fearsome creatures. Although some animals may prey on bull sharks, such as crocodiles, killer whales, and the occasional great white shark ...