Watching baby animals play and explore the world around them is always entertaining, especially when they do funny things you wouldn't normally expect. Take this baby chimpanzee at the North Carolina ...

A chimpanzee climbing up a tree. A new study from researchers at Dartmouth College suggests downclimbing played a role in the evolution of apes' range of motion. The reason we can throw a football or ...

The rotating shoulders and extending elbows that allow humans to reach for a high shelf or toss a ball with friends may have first evolved as a natural braking system for our primate ancestors who ...