Chimpanzees and bonobos maintain tight inner circles of preferred grooming partners inside their wider social networks, ...

CNN — (CNN) — In an ancient grave in what’s now northwestern Argentina, a person was buried with a canine companion — but this animal friend wasn’t a dog, according to new research. The burial held ...

When were dogs born? A new study sought to finally answer that age-old, burning question. Researchers might have believed that they evolved from grey wolves during the last Ice Age, but they couldn’t ...