Evolution is the process of heritable change in populations of organisms over multiple generations. Evolutionary biology is the study of this process, which can occur through mechanisms including ...

Genome evolution is the process by which a genome changes in structure over time, through mutation, horizontal gene transfer, and sexual reproduction. The study of genome evolution involves ...

May 30, 2025 — A new species of velvet worm, Peripatopsis barnardi, represents the first ever species from the arid Karoo, which indicates that the area was likely historically more forested ...