Well, if you were a chimpanzee—our closest genetic relative, with about 99% of our DNA—you'd more likely make it at dusk, just before you go to sleep for the night. Primatologists call it ...

A chimpanzee named Vanilla looked in awe, seeing a vast, open blue sky for the first time after living in captivity. The animal protection organization Save The Chimps posted a heartwarming video ...