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

More than 500 million years before “The Simpsons” introduced us to Blinky, a fish with an extra eye swimming through ...

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

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

A newly described species from the Burgess Shale had three eyes, clawed limbs, and a tail full of gills—plus internal organs ...

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.

A newly discovered arthropod fossil, Mosura fentoni, has preserved eyes, nerves, and blood vessels - a rare insight into ...

In the 460-million-year-old Eriptychius, the researchers found large, open pulp cavities and branching dentin tubules — an ...

But Mosura was different. Instead of the familiar streamlined body with flaps and claws, this little predator had something ...

Mosura fentoni was a trailblazer for modern arthropods, developing adaptations that some crustaceans and arachnids re-evolved ...

The fossil, named Shishania aculeata, hails from 500-million-year-old Cambrian deposits in Yunnan Province, southern China, a region world-renowned for its remarkably preserved snapshots of ...

Scientists have uncovered a remarkable fossil from Canada's Burgess Shale, a discovery that reshapes how the evolution of ...