Not all creepy things go bump in the night -- some of them swim. While you might think of fish as harmless little dudes hanging out in your aquarium, there are some ...

What has needle-like teeth so large they don’t fit inside its mouth, a huge gaping jaw that completely engulfs its prey, and lives in the depths of the ocean where sunlight can’t reach? That would be ...

A new study has revealed that teeth, as we know them today, didn’t evolve for chewing or biting, but for sensing the environment around ancient fish. This discovery pushes the timeline of vertebrate ...

It's not what you do, it's how readily you do it. Rapid evolutionary change might have more to do with how easily a key innovation can be gained or lost rather than with the innovation itself, ...

The sound of a dentist's drill - did it make your teeth quiver? Well, it turns out the sensitivity of our teeth which causes them to ache can be traced back to the exoskeletons of ancient armored fish ...

Add Yahoo as a preferred source to see more of our stories on Google. The researchers identified teeth on the tenaculum of ancient relatives to the modern adult male spotted ratfish. This fossil ...

Our sensitive teeth originally evolved from the "body armor" of extinct fish that lived 465 million years ago, scientists say. In a new study, the researchers showed how sensory tissue discovered on ...

The Viperfish’s Teeth Are Larger Than Its Mouth These formidable teeth cause the viperfish’s lower jaw to protrude forward. The teeth sit outside of the mouth, interlocking, with two large lower fangs ...

A new study reveals that the sensitivity of teeth, which makes them zing in a dentist's chair or ache after biting into something cold, can be traced back to the exoskeletons of ancient, armored fish.