Scientists image fetal brain lesions in a pigtail macaque whose mother was infected with the virus while pregnant.

The brains of primates and mice follow the same exponential rule of connectivity, according to a study.

Infusing anti-HIV antibodies provides macaques with protection against infection for up to six months, according to a study.

Monkeys genetically engineered with multiple copies of an autism-linked human gene display some autism-like behaviors, scientists show.

Macaque trainers in Bangladesh are often bitten by their monkeys, but rarely infected by a particular simian retrovirus.

Wild primates living near the site of 2011’s tsunami-spawned nuclear disaster are showing physiological signs of radiation exposure.

Researchers detect neurons in the macaque brain that selectively respond to images of reptilian predators.

Even while remaining motionless, macaques are able to increase the activity of a particular brain region, improving their concentration and search abilities.