A group of shark enthusiasts and scientists is hoping to make Maryland the first state in the nation to have a state shark.

Increasing acidity in the world’s oceans is changing the structure of sharks’ teeth and making them weaker, according to a ...

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 ...

The study found that as acidity increases, shark teeth could become structurally weaker and more prone to cracking and breaking. This could eventually threaten sharks’ position at the top of the ...

One of a blacktip reef sharks’ top teeth as seen under a scanning electron microscope. CREDIT: Maximilian Baum (HHU) / Steffen Köhler (HHU). Get the Popular Science daily newsletter💡 Breakthroughs, ...

A fossilised tooth from a previously unknown ancient shark species, estimated to be around 340 million years old, has been discovered in Kentucky's Mammoth Cave National Park, the world's largest cave ...

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 ...

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 ...