A 6-inch megalodon shark tooth was found by a Wyoming teen during a dive trip off Manasota Key, Florida earlier this week.

A teenage boy and his father were scuba diving off Manasota Key when the teen discovered a 6-inch-long tooth belonging to the largest shark that ever lived – Megalodon.

(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 ...

Photographs (left) showing the extinct right whale partial skull with shark bite marks highlighted in red. The more complete ...

Gasparilla Island State Park near Boca Grande, Florida offers pristine white beaches, fossil shark teeth hunting, historic ...

WASHINGTON — They are the ocean's most famous apex predator. But something is eating at them - acid. Rising acid levels in the world's seas will dissolve sharks' teeth - that's according to a new ...

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 weapons at risk.

How will the climate crisis affect one of the ocean’s fiercest predators? New research published Wednesday has examined what might happen to sharks’ highly specialized, flesh-cutting teeth. As carbon ...