The first members of the human lineage lack many features that distinguish us from other primates. Although it has been a difficult quest, we are closer than ever to knowing the mother of us all. Aa ...

Fossils of what may be the earliest known ancestor of the human family have been unearthed in Kenya. The bones and teeth are about 6 million years old, at least 1.5 million years older than any ...

When Kiptalam Cheboi of the Community Museums of Kenya stumbled across a jaw bone in Kenya’s Tugen Hills he knew that who it belonged to was no ordinary ape. Soon, Martin Pickford and Brigitte Senut ...

Lucy McDowell, one of the producers of the “Search for the First Human” film, takes us behind the scenes on three shoots: the site in Kenya’s Tugen Hills where fossils belonging to Orrorin tugenensis ...

Fossils dating to around 6 million years ago suggest Orrorin tugenensis walked upright while still climbing trees. Evidence from bones and ancient footprints raises questions about early migrations ...

ALBUQUERQUE — A tiny fossil thumb bone provides a gripping look at the early evolution of human hands, according to a study presented April 16 at the annual meeting of the American Association of ...

An analysis of the femur of one of the oldest human ancestors reveals the six-million-year-old “Millenium Man” was bipedal but lived in the trees. The research could provide additional insight to the ...

A new fossil analysis bolsters the theory that a chimp-size primate that lived in Kenya's Tugen Hills some six million years ago walked on two legs, researchers say. As such, the creature, known as ...

Anthropologists can spend a lot of time arguing over a single bone – and if that bone is one of the few known from an early ancestor, the arguments will be all the fiercer. When a “big question” is at ...