A curious monkey is seen intensely focused on a smartphone screen, mimicking human behavior in a humorous and endearing way.

A tourist in Bali learned the hard way that monkeys are master thieves after one grabbed and shredded her passport.

It’s not easy to make friends with a capuchin monkey. They’re willful, mischievous and, if they take it into their heads, can break any breakable you’ve got in the house—no small feat for an animal ...

Scientists have successfully used human stem cells to patch a hole in a monkey’s retina, restoring the primate’s vision and marking a successful step forward in the quest to treat age-related vision ...

While this might not seem like much, chimps eat so much fruit (around 10 percent of their body mass every day!), it ends up ...

A group of scientists restored vision in a monkey by using human stem cells to fix a hole in its retina. The research could open new doors for vision treatment in humans and other animals, too. A new ...