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 ...

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

Researchers at the University of Arizona say there may be at least twice as many vertebrate species as previously recognized.

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

We’re only in the early stages of 2026, and one massive change from last year may have already occurred: there may actually ...

There may be twice as many vertebrates on the planet as previous estimates claimed, according to a new study published in the journal Proceedings of the Royal Society B: Biological Sciences. That's ...

Accelerating global change continues to threaten Earth’s vast biodiversity, including in the oceans, which remain largely unexplored. To date, only a small fraction of an estimated two million total ...