Parvimico materdei lived about 18 million years ago in what is now the Peruvian Amazon.
Sun bears show social intelligence by copying the open-mouthed expressions of their playmates.
Koko died in Woodside, California, on Tuesday. The beloved primate was 46.
Monkeys are teaching scientists a thing or two.
On June 14, 1949, Albert II became the first primate to visit outer space, paving the way for human spaceflight.
After volunteering at Cameroon’s Ape Action Africa, Robin Huffman became a wildlife artist.
Feds probe alleged Russian payment of US hackers, Julian Assange backpedals on extradition pledge, 2016 was the hottest year on record, and more.
A study authored by 31 leading experts details all the ways we’re putting our closest relatives at risk.
A whale biologist reports from the world’s biggest primatology conference.
By getting the apes drunk on juice, scientists discovered they’re capable of predictive thought.
Zoo officials say the western lowland male gorilla at the Cincinnati Zoo was killed because he posed a threat to the life of a four-year-old boy who fell into the animal's enclosure.
Plucked off trees and sent to market, the endangered primate faces a highly uncertain future.