Scientists analyzing ancient lake mud think that the success and development of the Inca empire was partially due to llama dung.
IU doctoral graduates make the case for an eastern U.S. origin of the domestication of sunflowers.
Why does my pet do that? A Moment of Science gathers some of our favorite pet-related podcasts.
How did animals slowly become domesticated? Find out how Dmitry Belyaev selected foxes based on tameness.
Many people believe that cats became domesticated in Egypt, but a genetic study suggests that feline ancestors originally came from more humble roots.