If you ever come face-to-face with the wrong kind of shark, there's something you probably want to avoid. Just a hint: they're long and really sharp. But now scientists are saying that those same ...

A rendering of Clavusodens mcginnisi, or “McGinnis’ nail tooth,” an ancient shark that stalked the ocean floor 340 million years ago. Rendering courtesy of the National Park Service A shark no larger ...

New research shows that losing threatened requiem shark species could erase millions of years of tooth evolution and squeeze ...

Marine biologist Carolin Nieder says she discovered that rig sharks make clicking sounds Rig sharks make a clicking sound with flat teeth, which are quite different from other shark species' teeth, ...

Most kids have a natural curiosity about sharks − especially their sharp and abundant teeth. Our team had the idea to use the appeal of this charismatic apex predator to teach how scientists use ...

Another new species of ancient shark has been discovered at Mammoth Cave National Park.According to a post from the park, an ongoing Paleontological Resource Inventory discovered the new species while ...