When did the first hominins start to walk upright? Recent studies of an upper leg bone from *Sahelanthropus tchadensis* ...

Additionally, bipedalism raised hominids' bodies above the ground, enabling their skin to come in better contact with cooler and faster-moving breezes. This allowed for further heat dissipation ...

How did humans evolve into the big-brained, bipedal ape that we are today? This article examines the fossil evidence of our 6 million year evolution. Darwin's great insight, and the unifying ...

The newly identified species were older more primitive and much more ape-like than any hominids known before, but already they were bipedal -- certainly the younger one, probably the other as well.

It’s possible, though, that Danuvius independently evolved a form of upright walking on tree branches that had nothing to do with the appearance of a two-legged gait in hominids, says DeSilva ...