Humans might opt for eye contact or compliments when flirting, but chimpanzees show romantic interest by ripping up leaves in front of their crush, according to scientists. Professor Cat Hobaiter, an ...

In the 1960s and 70s, a group of chimpanzees astonished the world by learning sign language. Only two remain and one question ...

Rabies apparently makes apes smarter and the humans it’s mauling dumber.

ANIMAL-TESTING LATEST — The Trump administration got one step closer to its goal of reducing federally funded primate testing ...

The vote does not close the Hillsboro-based center, stop ongoing research or commit the university to convert the primate research center into a sanctuary for its animals used in research. Any ...

WASHINGTON (AP) — President Donald Trump’s racist social media post featuring former President Barack Obama and his wife, ...

A recent study into same-sex behavior in primates finds that social organization and ecological factors, including climatic conditions, influence this behavior. In gorilla groups, same-sex relations ...

The incredible moment a deaf dog responded to her owner’s sign language has gone viral, leaving internet users stunned with her intelligence. Myla the blue heeler (also referred to as Australian ...

As animals go about their lives — eating, fighting, having babies — they don’t always follow the script laid out for them by Charles Darwin’s theory of evolution. Not every behavior furthers the cause ...

Same-sex sexual behaviour has been recorded in around 1,500 species, from insects and starfish to birds and mammals. Yet sex between two male baboons will not produce an infant. Nor will the kissing ...