Our canines have actually become shorter over time. Just look at the canines on the first human, Ardipithecus ramidus, or Australopithecus anamensis versus modern humans. In fact, our canines ...

Ardipithecus ramidus may have walked upright. Other fossils discovered with A. ramidus suggest that the species lived in the forest. Exhibiting some chimp-like characteristics, A. anamensis' jaws ...

The first members of the human lineage lack many features that distinguish us from other primates. Although it has been a difficult quest, we are closer than ever to knowing the mother of us all.

The HC-LCA would have had an ape-sized brain and body, with relatively long arms and fingers and a grasping foot that allowed it to forage in the trees. The canine teeth were probably large and ...