The pelvis is often called the keystone of upright movement. It helps explain how human ancestors left life on all fours ...
New study of 7-million-year-old fossils from Chad proves Sahelanthropus tchadensis walked upright while still climbing trees.
The origin story of the human species is far from set in stone. But what is set in stone is the fossil evidence that scientists study as they piece together our origin story. National Geographic ...
The oldest distinguishing feature between humans and our ape cousins is our ability to walk on two legs—a trait known as bipedalism. Among mammals, only humans and our ancestors perform this atypical ...
A long-running and bitterly fought dispute over whether the earliest known hominin had a knuckle-walking gait, like ...
Humans have been walking on two legs for millions of years. All vertebrate species have a pelvis, but only humans use it for upright, two-legged walking.* The evolution of the human pelvis, and our ...
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 ...
A seven-million-year-old fossil may rewrite human origins, showing our ancestors were walking upright far earlier than anyone expected.