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, ...

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 ...

When males are forced to compete for females, new species form more rapidly. This has been shown in a new study where the ...

In a recent study, scientists have demonstrated a link between individual variation in risk-taking behavior and survival of animals in changing environments. For more than a century, scientists have ...

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 ...

Jaco Greeff received funding from the National Research Foundation to study sex ratios. Jan Willem Helenus Ferguson does not work for, consult, own shares in or receive funding from any company or ...