The peppered moth is an iconic example of Charles Darwin’s theory of evolution by natural selection. For centuries peppered moths (Biston betularia) were common in the forests around Manchester, ...

A flat, rounded shell. A tail that's folded under the body. This is what a crab looks like, and apparently what peak performance might look like — at least according to evolution. A crab-like body ...

Charles Darwin held up giraffes as a prime example of natural selection, his theory that’s often summarized as “survival of the fittest.” Giraffes with comparably longer necks could reach food high up ...

Natural selection is the process by which some organisms in a population survive and reproduce, while others do not, based on their bodies and behaviour. It is one of the processes by which species ...

For many government officials and scientists responsible for the management of the planet’s wildlife species, “sustainable use” is synonymous with “perpetual exploitation.” It is a dogma that insists ...

Do hurricanes induce rapid natural selection in tropical lizard populations? That’s the latest idea Harvard University researchers are bearing in mind after analyzing Caribbean anole lizards in the ...

The first postulate of natural selection states that individuals within a population are not identical; they exhibit variation in their traits. This variation is the raw material upon which natural ...

The extravagant splendor of the animal kingdom can’t be explained by natural selection alone — so how did it come to be? A male Indian peafowl.Credit...Kenji Aoki for The New York Times Supported by ...