Imagine a world where giant cats roamed, their bodies sheathed in natural armor. These ancient felines were not just agile hunters—they were walking fortresses, sporting bone plates and reinforced ...

Combined, these results suggest the armor of ancient fish likely allowed them to sense the water around them. Hundreds of millions of years later, our teeth, which evolved from that armor, have ...

A set of scale armor dating back to the Western Han Dynasty (206BC-AD25) was recently found in the tomb of Liu He, the Marquis of Haihun. Known as ...

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.