In a lab test, chimps and orangutans can recognize their own reflection. But in the wild, baboons seemingly can’t do the same.

Not only does the tree-dwelling primate live on just two islands in south east Asia, they are also in line for extinction in the wild if the destruction of their last remaining habitat continues.

A Shropshire zoo has welcomed a family of eight squirrel monkeys, who have been transported 250 miles to reach their new home ...

Scientists have found a new monkey species! That's the good news. The bad news is that only a couple of hundred are left.

“If you walk with great apes in the wild, you often see that group members really coordinate what they’re doing,” said Martin Surbeck, an evolutionary biologist at Harvard University who ...

The lab’s research involved frontal lobotomies on monkeys, administering various drugs, and even one case where a husband and ...