A new study shows that the Inuit brought dogs with them when settling North America, and these dogs’ descendants are still working today.
Cowbirds outsource parenting to other species, but an innate password tells their children to copy cowbird songs.
Despite high-profile study, the ancestors of humans living today likely evolved in many places at once, say critics.
Corral Bluffs location contains fossils from a critical time in the evolution of mammals.
Tiny brainlike cell cultures called organoids offer clues about human evolution.
Sponges, one of the most ancient animal lineages, can maintain normal gene activity even as oxygen levels drop.