Some researchers consider Homo erectus to be the immediate ancestor of our own species, Homo sapiens.
The fossil is 25,000 years older than traditional theories would expect.
Scientists compare human brain to chimps and macaques to find out how we evolved our unique identity.
Skeletons of four, unrelated men offer major insight into the sex lives of our early ancestors.
The footprint is hugely controversial, but researchers say it must be considered in the debate of how and where our species emerged.
Highly controversial study places birthplace of hominin line outside of Africa, contrary to long held, popular thinking.
The discovery of more remains in a hard-to-reach cave raises more questions than it answers about Homo naledi and humans.
The discovery of ancient human remains in an important cave site in South Africa raises major questions about the evolution of our direct ancestors, Homo sapiens.
According to a new theory, our early ancestors lived in a polygamous society where male-male competition was fierce.
Ancient mastodon bones and stone tools found near San Diego suggest humans arrived in the Americas 115,000 years earlier than we previously thought.