The cheerful Duke Dennis is walking around, holding hands with an orangutan, and getting in the car like best buddies! Bet ...

“It was my first experience with the orangutan,” Schroeder said. “I have never seen chimpanzees or gorillas. But looking at them, it's like: ‘OK, this guy must be my ancestor. I am sure.’ ...

Monkey World has cared for 10 orphan orangutans from seven countries with the nursery and its foster mother Oshine, a Bornean ...

Though we don't look much like them, we humans have a lot in common with bonobos and the three other great apes—the chimpanzee, gorilla, and orangutan. Compared to the lesser primates ...

Complete human, chimpanzee, bonobo, gorilla, and orangutan genomes have provided us a window into understanding the complex speciation process of these species' common ancestor. Analyses of these ...