Great apes, humans' closest relatives, are nearing extinction and people should fear losing the biological knowledge that would die along with them, a primatologist says.

Siamang gibbons have arms that are 1½ times the length of their legs, making it easy to swing from tree to tree. But the endangered primates’ long forelimbs also have another purpose: hugging their ...

In 2017, a groundbreaking discovery in the world of primates made headlines: scientists described the Tapanuli orangutan, the newest great ape species on Earth. However, the excitement was short-lived ...

CAPE TOWN, South Africa -- Human activities such as hunting and logging have driven nearly one quarter of the world's primate species to the brink of extinction, according to a new report. Without ...