A 37-year-old simiang gibbon on birth control unexpectedly gave birth at the San Diego Zoo.

Inflammation may be a strong contender for the connection between mom’s weight and children’s neurodevelopment, according to lab studies on animals.

United Airlines, British Airways, China Southern Airlines, and Qatar Airways face a formal complaint over their refusal to transport animals for scientific research.

A combination of public opposition, intense regulations, and rising costs in the EU make conditions in China and elsewhere attractive for studying monkeys.

News reports reveal that Volkswagen, Daimler, and BMW funded the organization that conducted the studies.

Optogenetic stimulation of the perirhinal cortex can cause macaques to process never-before seen-objects as familiar and known objects as brand new.

Researchers find differences in predatory behavior between a long-observed chimp tribe and a recently habituated one. 

After a heart attack, monkeys given induced pluripotent stem cell–derived cardiomyocytes show more regeneration in the organ, but with risks.

Researchers suggest that some nonhuman primates can anticipate the actions of other animals.