Humans have complex social behavior, diverse communication skills, and a capacity for highly developed tool use. Researchers argue that human evolution may resemble the process of animal domestication ...

Artiodactyls diversified during the Eocene and Oligocene in North America and Europe after their first Holarctic appearance at the beginning of the Eocene. However, the relationships among early ...

The introduction of pathogens originating from Eurasia into the Americas during early European contact has been associated with high mortality rates among Indigenous peoples, likely contributing to ...

Genetic testing of people who died in Kyrgyzstan eight years before plague reached Europe reveals an ancient strain of the bacterium Yersinia pestis. In the foothills of the Tian Shan mountains in ...