In the 1960s and 70s, a group of chimpanzees astonished the world by learning sign language. Only two remain and one question ...

The crystal chimp study, published on Wednesday in the journal Frontiers in Psychology, was an attempt to understand what ...

Crystals have repeatedly been found at archaeological sites alongside Homo remains. Evidence shows that hominins have been ...

Complicated births may not have arisen in humans as a trade-off between our need for big brains and pelvises suitable for upright walking, new research in chimps suggests. When you purchase through ...