Male Bornean Orangutan - Big Cheeks. Image by Eric Kilby from Somerville, MA, USA, CC BY-SA 2.0, Male Bornean Orangutan - Big Cheeks. Image by Eric Kilby from Somerville, MA, USA, CC BY-SA 2.0, ...

In groundbreaking work from The University of Warwick, researchers have found that wild orangutans vocalise with a layered complexity previously thought to be unique to human communication, suggesting ...

The woman told Newsweek that she stayed at the orangutan exhibit for about 15 minutes due to the baby's reaction.

In the dense forests of Indonesia, you can hear strange and haunting sounds. At first, these calls may seem like a random collection of noises—but my rhythmic analyses reveal a different story. Those ...

Biruté Galdikas, who has died aged 79, was the world’s leading authority on orangutans and the least well-known of the ...

Redd’s daily treatment reveals how orangutans with chronic respiratory diseases are adapting to use certain medical tools designed for humans. Mike Bock Redd, left, and his mother, Batang, right. Both ...

In the early 1970s, orangutans occupied an ambiguous place in science. They were known to exist, of course, but remained ...