A Southwest Florida man has shared his incredible haul of fossilized shark teeth, found while sifting through the Peace River. Michael VanEtten, 46, has been combing Florida rivers and streams for ...

A rare streak of ancient shark tooth discoveries in Rhode Island has puzzled scientists, and the public is now part of the search. The sun was warm on the little one’s back as she crouched near the ...

Otodus megalodon was the largest predatory fish in Earth's history. Measuring up to 24 meters, it was longer than a truck with a trailer and weighed almost twice as much. Embedded in its jaws were ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The prehistoric ...

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 ...

An international scientific team has identified fossilized shark teeth in the phosphate deposits of Khouribga that point to a previously unknown extinct shark species that lived at the end of the age ...

Ghost sharks have evolved rows of true teeth on a bizarre forehead rod used for mating. Fossil and genetic evidence revealed the tenaculum’s teeth develop the same way as those inside the mouth, ...

Sharks continually shed teeth throughout their lives, contributing to abundant fossil records. The Wilmington area is a hotspot for shark teeth due to favorable geological conditions. Shark teeth ...

Add Yahoo as a preferred source to see more of our stories on Google. If you're excited about Discovery's "Shark Week" and the celebrations around the 50th anniversary of the classic "Jaws" film, ...

When Charleston resident Grant Martin found his first shark tooth on a Hilton Head Island beach when he was a kid, he thought he discovered one of the greatest secrets in the world. “I thought, ‘Why ...