Scientists discovered some of the oldest bony fish fossils in China. The fossils explain the early history of animals with backbones.

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

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 ...

How many fossils does it take to accurately train an image-based AI algorithm? According to a new study co-authored by Bruce ...

DNA is revealing that many animals once thought to be a single species may actually be several hidden ones. But research on ...

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 ...

Scientists may have been dramatically undercounting the number of vertebrate species on Earth. A large analysis of more than 300 studies suggests that for every recognized species of fish, bird, ...

A major new study finds the pace of biological discovery is accelerating, not slowing down, and estimates Earth may harbor tens of millions or even billions of species still unknown to science. For ...

Goetze: Do they all die or are they simply hiding somewhere until the return of more favorable weather and resources?

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

Dramatic landscapes and rich biodiversity characterize Alaska’s unique environment. Alaska is the only US state with ...

A new study led by researchers at the University of Arizona suggests that for every recognized vertebrate species, there are, on average, two ...