Sexual selection provides an answer to the existence of lavishly ornate signals in animals, but not to the question of why such signals are attractive—for example, why do females prefer the ...

Natural selection can reverse evolution that occurs through sexual selection and this can lead to better females, new research shows. The study - led by the University of Exeter and Okayama University ...

Why dinosaurs evolved such a huge diversity of crests and frills on their skulls has long been an enigma. But by using modern technology and data analysis, a new study has taken a fresh look at ...

A longstanding question in evolutionary biology is how sexual selection influences how entire genomes develop. Sexual selection is where individuals with certain traits have higher reproductive ...

Most people understand how natural selection drives evolution. The variants within a species best adapted to their environment wind up winning the reproductive contest and their offspring inherit a ...

Charles Darwin was a careful scientist. In the middle of the 19th century, while he was collecting evidence for his theory that species evolve by natural selection, he noticed it didn’t explain the ...

Showy male competitions over mating privileges have grabbed scientists’ attention more often, but new work hints that sexual selection is also widespread among females. As the midday sun hangs over ...

Natural selection can reverse evolution that occurs through sexual selection and this can lead to better females, new research shows. Natural selection can reverse evolution that occurs through sexual ...