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 ...
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 ...