Shark teeth are a marvel of evolution. They are so sharp that many island cultures once used them as weapons and tools to hunt and cut up meat. Unlike human teeth, shark teeth line the mouths of these ...

Some sharks have been prowling the deep ocean since before the dinosaurs, armed with pitchfork-shaped teeth and extra gills that set them apart from every other predator alive today. Six survivors ...

While many people are scared of sharks thanks to their rows of razor-sharp teeth, the changing waters might be rendering the creatures from “Jaws” a little less fearsome. Growing acidity in the ...

Great White Shows Off Razor Sharp Teeth experiences mar Expeditions Internship Program Shark/Dive Program our mission White ...

Great white sharks are among the best hunters in the ocean with jaws and teeth that can slice through any prey. Read here to learn more.

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 are known for their razor-sharp teeth, but a new study warns that rising ocean acidity could leave even the sea’s fiercest predators with weaker, more brittle bites. At the heart of the problem ...

A great white shark is a masterwork of evolutionary engineering. These beautiful predators glide effortlessly through the water, each slow, deliberate sweep of the powerful tail driving a body ...

Male "ghost sharks"—eerie deep-sea fish known as chimaeras that are related to sharks and rays—have a strange rod jutting from their foreheads, studded with sharp, retractable teeth. New research ...

A new study reveals the nature of shark vertebrae, and how their specialized mineral structures allow some sharks to swim ...