A seven-million-year-old skull found in Chad sits at the center of a long argument about human origins. The species, ...

The pelvis is often called the keystone of upright movement. It helps explain how human ancestors left life on all fours ...

Fresh findings about arm and leg bones advance the debate over whether Sahelanthropus tchadensis was bipedal, but not ...

Chimpanzees and bonobos are two closely related species of great apes and share much of their DNA with humans. Though they appear similar, they differ significantly in behavior, social structure, and ...

This tiny bump on an ancient thigh bone has become a big deal for anyone trying to pin down when the human story truly began.

This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from ...

We don't just have sex to reproduce—new research suggests that using sex to manage social tension could be a trait that existed in the common ancestor of humans and apes six million years ago. Humans ...

Humans are not the only species to combine concepts to build more complex meaning, a new study found. Bonobo chimpanzees combine calls in a manner similar to how humans structure words to make phrases ...

Juvenile bonobo embraces a distressed companion during post-conflict consolation. Psychologists from Durham University, UK, observed the behaviour of 90 sanctuary-living apes to establish whether ...

When people find out we study chimpanzees, they usually ask about their dark side. “You know chimpanzees kill each other, right?” or “Aren’t they the only animals besides humans that wage wars?” ...

A groundbreaking ten-year study on the behavior of chimpanzees, reported in the journal Current Biology, reveals that humanity's closest living relative expresses a propensity for human-like warfare.