Scientists have long observed that embryos of different species within a phylum look quite distinct at early and late ...

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

A research team led by Profs. Zhu Min, Lu Jing, and Zhu You'an from the Institute of Vertebrate Paleontology and ...

These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish ...

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

After cold winters, invertebrates such as honeybees and paper wasps seem to disappear and then suddenly return in large ...

For every recognized vertebrate species, there are on average two unrecognized, or "cryptic" species, according to a new ...

Earth’s vertebrate diversity may be far richer than anyone realized. A sweeping analysis of more than 300 studies suggests that for every known fish, bird, reptile, amphibian, or mammal species, there ...

Researchers at the University of Arizona say there may be at least twice as many vertebrate species as previously recognized. The findings suggest that global vertebrate biodiversity has been ...

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 ...

Scientists have uncovered new clues about some of Earth’s earliest fish, shedding light on the ancient origins of vertebrates ...