A fossil belonging to an ancient hominin that lived seven million years ago bears the hallmarks of bipedalism, according to a new study ...

A seven-million-year-old skull found in Chad sits at the center of a long argument about human origins. The species, ...

Learn how detailed 3D analysis uncovered evidence that upright walking emerged near the very start of the human lineage.

Two small changes in human DNA may have played a big role in helping our ancestors walk upright, researchers say. The study, recently published in the journal Nature, found that these tweaks changed ...

SATURDAY, Nov. 1, 2025 (HealthDay News) — Two small changes in human DNA may have played a big role in helping our ancestors walk upright, researchers say. The study, recently published in the journal ...

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

One longstanding theory of human bipedalism is that it first developed in our ancient hominid ancestors as a way to more easily move around the African savannah—an ecosystem created by rising ...

Two small genetic changes reshaped the human pelvis, setting our early ancestors on the path to upright walking, scientists say. One genetic change flipped the ilium — the bone your hands rest on when ...

In zoology, the term “bipedal” refers to animals that use only two legs for walking. There are several groups of modern species considered habitual bipeds, meaning two-legged walking is their normal ...