The “people of the forest” won’t live in the wild much longer if we keep chopping down their rainforest homes.

While 31-year-old orangutan Tua cuddles and hugs her newborn, the Philadelphia Zoo is celebrating the new addition to this critically endangered species’ population. The Sumatran orangutan ...

The talk show host delivered his signature line while revealing the paternity results for a 4-month-old Sumatran orangutan named Siska When the Denver Zoo was ready to announce the paternity of a ...

“Sometimes I feel like I’ve chosen the most difficult thing in the world to study,” Cheryl Knott tells me as we sit beneath the rain forest canopy at her orangutan research station in ...

Now there are less than 70,000. One of the three orangutan species, the Sumatran orangutan, is down to about 14,000. Schroeder spent half a year with a couple of organizations trying to save the ...

An orangutan has been seen treating a wound using a plant with known pain-relieving properties, marking the first known ...

But the judge did order an investigation as to Sandra's captivity conditions and if she is a victim of ill-treatment under the 1954 animal protection bill. Sandra, a 20-year Sumatran orangutan ...

Their dense forest home makes it difficult to determine population sizes, but the Bornean orangutan is estimated to number around 54,000 individuals, while there are an estimated 6,600 Sumatran ...

Dr Peter Pratje from the Frankfurt Zoological Society has spent decades conserving the rare Sumatran orangutan. Here he describes his hopes and dreams for these critically endangered primates.