New research suggests that natural selection, famous for rewarding advantageous differences in organisms, can also preserve similarities. The researchers worked with a plant called wild radish and its ...

A strange tiny species of crustacean has challenged the way we think about natural selection and evolution. This microscopic animal, known as a water flea or Daphnia pulex, generates genetic variation ...

Are the slight differences in coat pattern between giraffes due to adaptation, or are they irrelevant for their survival chances? A new literature review aims to contribute to a constructive debate.

Nearly 200 years after Charles Darwin stepped off the HMS Beagle, his luggage is still giving up secrets. We often think of the story of how we came up with the theory of evolution by natural ...

When evolution skeptics want to attack Darwin's theory, they often point to the human eye. How could something so complex, they argue, have developed through random mutations and natural selection, ...

Some of nature's mysteries have kept scientists busy for decades—for example, the processes that drive evolution. The question of whether certain differences between and within species are caused by ...