When you learned about the history of human evolution in school, there's a good chance you were shown one all-too-familiar image. That picture probably showed a conga line of human-like creatures, ...

The task is simple: walk or die.

Kari Bagnall–founder and executive director of Jungle Friends Primate Sanctuary, which offers permanent care to nearly 200 monkeys retired from laboratory research, who are former pets, or have been ...

Introduction / Christina J. Campbell -- Morphology and evolution of the spider monkey, genus Ateles / Alfred L. Rosenberger ... [et al.] -- The taxonomic status of spider monkeys in the twenty-first ...

Researchers found that New World monkeys can produce extreme yodeling-like sounds by rapidly switching between their vocal folds (for low tones) and specialized vocal membranes (for high tones), ...