Exactly how life arose out of non-living matter is a major mystery, and a new study has found that natural selection may have played a role before life itself even existed on Earth. By recreating the ...

A new study by researchers at the University of Wisconsin–Madison provides the first empirical evidence connecting the chromosomal location of genes to natural selection, indicating the arrangement of ...

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 ...