The rhesus macaque monkeys that escaped a South Carolina medical lab this week are among the most studied animals on the planet.

Scientists have spent decades studying rhesus macaques on the remote Monkey Island. They're learning how the stress of environmental crises, like hurricanes, impact the monkeys.

Scientists in China on Tuesday announced that they have cloned the first healthy rhesus monkey, a two-year-old named Retro, by tweaking the process that created Dolly the sheep. Primates have ...

Retro, a cloned rhesus monkey, is the first such primate to reach adulthood after being born on July 16, 2020 by researches at the Chinese Academy of Sciences.

Scientists have cloned a rhesus monkey for the first time, a breakthrough that could help advance medical research but has drawn criticism from an animal welfare group.

The 43 rhesus macaque monkeys that escaped a South Carolina medical lab this week are among the most studied animals on the planet.

Macaque monkeys pictured in Indonesia. The animals run wild in Florida and can spread the Herpes B Virus (AFP via Getty Images) ...

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

Rhesus macaques on Cayo Santiago are known for being intolerant, hierarchical and aggressive. After 2017's Hurricane Maria destroyed their home, the monkeys' society underwent surprising changes.

Police in South Carolina say they have recovered one of 43 rhesus monkeys that escaped from a research facility Wednesday. “A significant number of the remaining primates are still located just ...

Rhesus monkeys are typically 19-21 inches in length, weigh around 12-17 lbs., and can become aggressive if provoked. [Related: These monkeys have giant noses for exactly the reason you think.] ...

Rhesus monkeys are known to carry viruses and parasites that can be transmitted to humans, said Paul Chang, a U.S. Fish and Wildlife Service agent. "This particular animal tested negative," he said.