In tissue samples from rhesus macaques, researchers find the virus in the same immune-privileged sites where Ebola has been found to persist in humans.

Anatomical analysis suggests monkeys possess all the hardware for human-like speech, they just lack the neurological capacity to use it.

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.