A stone tool found in the sand has always been considered the handiwork of early humans and their ancestors. But a remarkable discovery in a Brazilian forest suggests that might not be so. Scientists ...

COLUMBUS, Ohio – Have you ever wondered what kind of video content would most grab the attention of monkeys? A new study of long-tailed macaques suggests the monkeys seem to like some of the same kind ...

Descendants of theme-park escapees, a population of rhesus macaques in a Florida state park may soon double in size—a recipe ...

Chinese scientists have implanted human brain genes into monkeys, in a study intended to provide insights into the unique evolution of human intelligence. The researchers said the rhesus monkey, ...

"MDWFP (Mississippi Department of Wildlife, Fisheries and Parks) has confirmed that two of the three unaccounted for Rhesus ...

Six rhesus monkeys escaped Tuesday when the truck transporting them and 15 fellows from Louisiana to Florida flipped in Mississippi, spilling them onto Interstate 59, authorities said.

Psychologists have spent decades demonstrating the amazing abilities of animals. We now know, from lab experiments, that chimps can use blue triangles to represent red apples, and that dolphins can ...