At a glance, gorillas and chimpanzees might seem like cousins in the jungle, both wild, powerful, and undeniably close to humans in appearance. But beyond their shared DNA and forest homes lies a ...

Perhaps the real law of the jungle is that it's good to have friends — especially those who know where to find the the free food. Case in point: It turns out chimpanzees and gorillas can be pals, ...

In the video captured by eyewitness Emily Holguin on Saturday, Oct. 11, onlookers gasped when they realized what the 10-year-old gorilla had done.

Humans, chimpanzees, gorillas, and orangutans (from left to right) have differently shaped endocasts and brains (see top row). But they share an asymmetry pattern, as visualized in the bottom row.