Bonobos eat their aquatic greens, perhaps to get their daily dose of iodine.

A spending bill approved by a House committee would require the agency to “accelerate” the replacement of nonhuman primates in laboratories starting in October.

When compared to teeth from Homo erectus and orangutans, the remains from an ancient ape appear to belong to a new genus.

Nearly 50 years after its development, only a handful of creatures have passed the self-awareness exam. A new attempt with fish highlights a debate over the test’s use and meaning.

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

Her work changed the discipline by bringing rigorous experimentation to field studies of monkeys and baboons.

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.