A similar disorganized attachment can occur in captive chimpanzees, particularly orphans who are raised by humans. A lack of a permanent caregiver can lead to this more fearful behavior. However, in ...

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

Lucy the Chimpanzee’s story is an animal rights nightmare. As told in the new documentary Lucy the Human Chimp, psychologist Maurice Temerlin and his wife, Jane, bought the fuzzy primate from a ...

On the genetic level, we're not all that different from chimps. But those small differences in dna can have massive effects.

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 ...

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.

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.

Human's closest living relatives, Chimpanzees, primarily learn their communicative patterns from their mothers and maternal relatives, according to a new study. Newsweek has reached out to the study's ...

AMES, Iowa – Iowa State University Anthropology Professor Jill Pruetz long suspected that man-made changes influenced the aggressive behavior researchers have observed among chimpanzees. However, her ...

Researchers at the University of College London recently undertook a massive study to better understand chimps. The team analyzed data from fecal samples of 828 wild chimpanzees across 30 populations, ...

Twenty-five years after the film's release, the chimps from "MVP" feel the lingering effects of a life in show business. Kelsea Petersen / The Athletic; Tim DiFrisco / Getty, Tom Pidgeon / Getty ...