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 ...

As an outcome of natural selection, animals are probably adapted to select territories economically by maximizing benefits and minimizing costs of territory ownership. Theory and empirical precedent ...

Daphnia pulex (a.k.a. the water flea) is a microscopic crustacean whose unique reproduction habits make it the perfect species for studying evolution and natural selection. A new study looks at how ...

British trees are evolving resistance to deadly ash dieback, reveals new research. Natural selection in woodlands is acting to combat the fungal disease that has devastated ash trees across Europe, ...