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

The combination of a beaver-like body and duck-like bill of the platypus (Ornithorhynchus anatinus) is only the first of a ...

Cryosleep’ remains the preserve of science fiction, but researchers are getting closer to restoring brain function after deep ...

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

After losing its original eyes, one of our distant ancestors may have done what evolution does best: tinkered with what was available, reshaping a single central visual organ into two new eyes. That’s ...

A research team led by Profs. Zhu Min, Lu Jing, and Zhu You'an from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of Sciences published two back-to-back ...

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 ...

For every recognized vertebrate species, there are on average two unrecognized, or "cryptic" species, according to a new study led by University of Arizona researchers. The findings suggest that ...

In the 2012 movie The Amazing Spider-Man, a key character regrows his missing arm by imbibing reptilian DNA — but then turns into a monster lizard that Spider-Man must foil. While humans outside the ...

More than 300 million years ago, long before the first dinosaur let out a roar, a small, four-legged creature was busy nibbling on plants in what is now Nova Scotia. The animal, newly described as ...

A chunky, squat creature that roamed Earth 307 million years ago is helping scientists understand how plant-eating animals first appeared on land. The newly described species is one of the earliest ...

A harlequin poison dart frog (Oophaga sylvatica) is pictured at the Tesoros de Colombia (Treasures of Colombia) sustainable farm in Nocaima, Cundinamarca department, Colombia, on July 9, 2024.