The pelvis is often called the keystone of upright movement. It helps explain how human ancestors left life on all fours behind. Yet the “how” has stayed fuzzy for decades. A new Nature study led by ...

For centuries, the question of how humans became upright walkers has fascinated scientists and philosophers. Charles Darwin famously argued in The Descent of Man (1871) that humans evolved from apes, ...

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 ...