A recent study has suggested that Sahelanthropus tchadensis, an ape-like species that lived in Africa seven million years ago ...

One of the most complete human ancestor fossils ever found may belong to an entirely new species, according to an ...

The oldest ancestor of humans may be a seven-million-year-old ape, which started walking upright two million years earlier than other hominids.

For the first time, scientists have reconstructed the ancient genomes of human betaherpesvirus 6A and 6B (HHV-6A/B) from ...

Scientists may have cracked the case of whether a seven-million-year-old fossil could walk upright. A new study found strong ...

New study of 7-million-year-old fossils from Chad proves Sahelanthropus tchadensis walked upright while still climbing trees.

Human history features a pivotal moment when four-legged beings stood upright on two legs. Scholars regard this shift as the ...

WASHINGTON — Humans are the only animal that lives in virtually every possible environment, from rainforests to deserts to tundra. This adaptability is a skill that long predates the modern age.

Long before cities or farms, the earliest humans were standing in a changing northern Kenyan landscape, striking stone to stone with steady hands. Their world was noisy with wind, heat, wildfires, and ...

She is not the oldest member of the extended human family, but she is by far the most complete of the early hominids; most of her skull and teeth as well as extremely rare bones of her pelvis, hands, ...