Paleontologists have long suspected that our teeth evolved from bumpy structures called odontodes on the exoskeletons of prehistoric fish—but they didn’t understand exactly what these bumps were used ...

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 ...

Summer is the season for day trips and exploring new places. But when you’re planning excursions, the costs can quickly add ...

New research shows that dentine, the inner layer of teeth that transmits sensory information to nerves inside the pulp, first evolved as sensory tissue in the armored exoskeletons of ancient fish.

Frogs have long held a bad rap (at least among some people) for being slimy, even scary, critters, but that’s not very fair ...

Tooth Pain is older than tooth itself, study revealed, could be traced back to 465 million years in fish’s armored skin ...