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

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

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 ...

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 ...

Scientists have revealed new details about ancient fish more than 400 million years old, which became the ancestors of ...

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

Explore India's frog conservation efforts through citizen science and sanctuaries, highlighting their critical ecological ...

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

Humans really do rule the world. We took over fast and far, more than any other wild vertebrates. We inhabit nearly every ...

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 ...

An in-depth analysis reveals that for each identified vertebrate species, there may be two others, nearly identical in ...