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 ...

A big difference between humans and other apes is the ability to stride easily on two feet. A new analysis of fossil bones shows that adaptations for bipedal walking go back 7 million years. Walking ...

Humans are the only great apes to routinely walk on two legs, a posture that relies on us having long legs, short arms and narrow hips. A study 1, published this week in Science, has generated a map ...