According to the data considered by its authors—a team from the University of Sussex (UK) and Lund University ...

Throughout history, humans have often believed they fully understood the world around them. You could travel back 500 years, ...

These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish to the formidable, pointed teeth of sharks. But fish evolved from toothless ...

Add Yahoo as a preferred source to see more of our stories on Google. Want to learn about plants, animals, vertebrae and more from all around the world? The University of Connecticut’s Biodiversity ...

An in-depth analysis reveals that for each identified vertebrate species, there may be two others, nearly identical in appearance but genetically distinct. Scientists have long classified ...

518-million-year-old fossil reveals vertebrates once had four eyes and extra organs that later shaped evolution.

A new study showing how a prehistoric sea cow was preyed upon by not one, but two different carnivores—a crocodilian and a shark—is revealing clues into both the predation tactics of ancient creatures ...

Paleontologists describe a 255-million-year-old weigeltisaurid fossil that likely glided through the air with the help of expansive winglike membranes Tess Joosse Scientists pulled this weigeltisaurid ...

The aptly named resplendent quetzal is prized for its plumage. Golden poison frogs are popular creatures in the pet trade. Pangolin meat is considered a delicacy, and their scales are used in ...