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

We may only ever have 47 of the 207 bones that made up the skeleton of this 3.18-million-year-old Australopithecus afarensis specimen known affectionately and widely as Lucy, but it’s been enough to ...

Muscle atrophy is a primary characteristic of both sarcopenia and cachexia, significantly impacting physical function and quality of life. This figure illustrates the multifaceted causes of muscle ...