Multiple monkeys are on the loose in St. Louis, and AI-generated images are complicating the effort to find them. The Vervet monkeys were first spotted Thursday near a park in the northern part of the ...

Researchers in Cameroon are aiming to use the red colobus monkey (Piliocolobus spp.) as both a standard-bearer for conservation and a barometer of forest health. Red colobus are tree-dwelling monkeys ...

Fossil jaw remains found in Egypt suggest that the earliest modern apes evolved in North Africa, not in East Africa where ...

WASHINGTON -- The ancestry of the virus that caused the AIDS epidemic has been traced to two strains of a virus found in monkeys in Africa. The viruses probably passed into chimpanzees when the apes ...