Animals use many different kinds of adaptations to protect themselves. These animals, for example, have fangs!

Artists have long depicted Roman gladiators battling it out against big cats as you can see in this mosaic created in A.D. 320 in Rome. However, there has never been any physical evidence to ...

Sharks, skates and catfish also have tooth-like structures called denticles that make their skin feel like sandpaper. When Haridy studied the tissues of her catfish, she saw that the denticles were ...

Sometime during the early to late Eocene, there was a massive predator unlike anything on Earth today. If you were roaming ...

If something is sabre-toothed, we imagine that it’s a big cat. The idea of ancient humans fighting off sabre-toothed tigers ...