Pliopapio alemui and Kuseracolobus aramisi are two different new primate species dated between 4.8 and 4.3 million years ago known only from Gona and the Middle Awash study area in Ethiopia
Several hypothesis suggest a link between the origin of the genus Homo and the climatic and environmental changes that took place in Africa between 2.5 and 3 million years ago
A new archaeological site in Ethiopia shows that the origins of stone tool production are older than 2.58 million years ago
A new study explains that humans evolved from an ancestor not limited to tree or other elevated habitats, and sheds light on what preceded human bipedalism
4.5 million-year old fossil of the human ancestor Ardipithecus ramidus shows evidence of greater reliance on bipedalism than previously suggested
