Add Yahoo as a preferred source to see more of our stories on Google. "There are a lot of firsts associated with Homo erectus," Karen Baab, a biological anthropologist at Midwestern University in ...

A million years ago, a species known as Homo erectus most likely survived in an arid desert with no trees. By Carl Zimmer Chimpanzees live only in African rainforests and woodlands. Orangutans live ...

The skull had the brow of a descendant but the face of an ancestor. When researchers finished reconstructing the DAN5/P1 cranium from Ethiopia’s Afar region, dated to between 1.6 and 1.5 million years ...

Compared with modern humans (Homo sapiens), who have been around for the past 300,000 years, Homo erectus, or "upright human," had a long reign. The ancient human species lived from 2 million years ...