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 ...

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

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 ...

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 ...

The next time you stub your toe, get pricked with a needle, or have your fingers jammed in the lid of a piano, you might pause to consider the marvellous way our bodies are able to heal such injuries.

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

A new study by University of Arizona researchers reveals that Earth may host twice as many vertebrate species as previously ...

Researchers discovered that a 215-million-year-old reptile started life on four legs and switched to two as an adult.