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.

Humans might also inherit such brain changes, a new study suggests.

The results could lead to a treatment to lower cholesterol in patients with hypercholesterolemia.

Researchers studying macaques in Morocco find that socialization improves the monkeys’ odds of surviving the winter. 

A study finds two species of guenon monkeys in Tanzania have been mating and producing fertile offspring for generations.

The finding suggests corvids may have an innate sense of number.

The male proboscis monkey’s large nose probably evolved in response to female preference and competition between males.

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