Add Yahoo as a preferred source to see more of our stories on Google. Archaeologists uncovered teeth from an ancient human ancestor in Ethiopia's Afar Region. - Amy Rector/Virginia Commonwealth ...

Trace fossils, the preserved records of biological activity, provide a unique window into the interactions between ancient organisms and their sedimentary settings. By recording behaviours such as ...

(CNN) — Ancient, fossilized teeth, uncovered during a decades-long archaeology project in northeastern Ethiopia, indicate that two different kinds of hominins, or human ancestors, lived in the same ...