A rare Homo habilis skeleton from Kenya reveals how early humans moved, climbed, and adapted more than two million years ago.

In the technical description, the authors emphasize that the skeleton includes clavicle and shoulder-blade fragments, both upper arms, both forearms, plus part of the sacrum and hip bones - rare ...

Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy straightforward explanation. From the jut of the human chin to the curve of the outer ...