Two different groups of macaques have been spotted in Japan mounting sika deer. The behavior could be part of a shared ...

CNN’s Ben Wedeman dives deep underground in Rome to explore the Aqua Virgo, an ancient aqueduct that continues to supply ...

Evolutionary biologists have long hypothesized that the short-term physiological responses to stress help animals survive in ...

A witness, who wished to remain anonymous due to fear of intimidation, recounted the devastating events that occurred on ...

We’re into the second week of January, so it’s right about time for a lot of people to be losing motivation for the fitness ...

White-faced capuchin monkeys in Costa Rica who experienced more intense physiological responses to mild droughts were more ...

The female rhesus macaques staged an escape from the Alpha Genesis Primate Research Center in South Carolina last year.

White-faced capuchin monkeys in Costa Rica displayed a surprising ability to withstand extreme drought conditions.

Wild baboons failed to demonstrate visual self-recognition in a test carried out by anthropologists.

The U.S. Border Patrol made an unusual discovery Tuesday when agents found several spider monkeys during a checkpoint ...