New research from the University of Chicago reveals that teeth may have evolved from sensory armor in ancient fish.

"Dire wolves" created by Colossal Biosciences were pegged as "the first animals in history to be brought back from extinction ...

Sharks, skates and catfish also have tooth-like structures called denticles that make their skin feel like sandpaper. When ...

If you've ever gotten a toothache from eating something cold like ice cream, scientists at the University of Chicago might ...

Sensory features on the armored exoskeletons of ancient fish may be the reason why humans have teeth that are sensitive to ...

Anyone who has ever squirmed through a dental cleaning can tell you how sensitive teeth can be. This sensitivity gives ...

Paleontologists have discovered a three-eyed creature with a pencil sharpener-like mouth that roamed the sea for prey more ...

In the 1950s, previously discovered fossils were identified as animal remains from the Ediacaran period, which extended from around 635 million years ago to the dawn of the Cambrian 541 million ...

Coincidently, animal diversity rapidly increased and genus-level diversity reached the first peak at the onset of the Cambrian Stage 3. Soluble Ba compounds are toxic to marine animals.

One of the largest animals to live during the Cambrian, it was probably agile and fast, darting after soft prey in the open water rather than pursuing hard-shelled creatures on the ocean floor.

For bivalves, however, this doesn’t appear to have been the case. A new study found that while these animals existed during the Cambrian explosion, their evolution lagged behind the rest of the animal ...