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 ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Homo ergaster ("working man") is an extinct hominid species (or subspecies, according to some authorities) which lived throughout eastern and southern Africa between 1.9 to 1.4 million years ago with ...