World's oldest stone tools found

 Scientists have found in east Africa stone tools dating back 3.3 million years -- long before the advent of modern humans and by far the oldest such artefacts yet discovered.

Hominin not ancestors of Neanderthals and modern humans: Study

A new study suggests that no known hominin is ancestor to the Neanderthals or modern humans.

Bigfoot is part human: Study

The legendary Bigfoot is a human relative that arose some 15,000 years ago, a new five-year DNA study has claimed.