Sharks are known as iconic marine predators — and their sharp chompers come with the territory. Certain shark species can have hundreds to thousands of teeth at a time that are consistently yanked out ...

(Close-up of a shark with sharp teeth. Credit: GIOVANNI NITTI / Shutterstock.) Shark teeth are a marvel of evolution. They are so sharp that many island cultures once used them as weapons and tools to ...

From embryo to turtle cracker: a team led by palaeobiologist Julia Türtscher from the University of Vienna studied the multiple changes in tooth shape in the tiger shark. The study, recently published ...

An experienced Florida diver recently found a 6.25-inch long megalodon tooth, the largest tooth he’s found during his 22 years of diving. Michael Nastasio started Black Gold Fossil Charters in Aug.

Kids are fascinated by sharks. Although they aren’t likely to come face-to-face with one of their favorite animals in the wild, they can touch these animals—without even getting wet. Your family can ...

Diver Michael Nastasio found a 6.25-inch long megalodon tooth, the largest tooth he’s found out of his 22 years of diving. Nastasio started Black Gold Fossil Charters in Aug. 2020, but he’s been ...

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 ...

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 ...

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 ...