However, there’s no single definition of a species, meaning this vital concept in biology can be difficult to understand. Find out the different ways scientists have of describing what species are, ...

The Trump administration aims to remove degradation of habitat from its definition of "harm" to endangered species, proposing ...

A species is a group of living organisms that are all broadly similar and can, at least in principle, breed with one another. This seems straightforward enough, but the word “species” is ...

The Trump administration intends to overhaul the Endangered Species Act by changing what it means to harm an endangered or ...

An announcement from biotech company Colossal Biosciences claimed to have brought back the dire wolf, a species that died out ...

Federal agencies have proposed changing a longstanding interpretation, weakening wildlife protections under the Endangered ...

Birds are among the most vulnerable. Since humans arrived, 71 birds have gone extinct, according to the state Department of ...

The internet is currently abuzz with talk of dire wolves – an extinct species of prehistoric wolf that used to roam North ...

Complications come when we consider a particular definition of species – one which Linnaeus did not develop, but which he probably would have appreciated. The biological species concept states that ...