The story of how us humans—and other mammals—got our noses may have just gotten more complicated. This is the conclusion of a new study by researchers from Japan who have studied how the face develops ...

The face is one of the most distinctive features of vertebrates, diverged widely among species while maintaining a highly ...

A feline behavior expert explains why cats head-butt their owners and what they’re trying to say when they do. Head-butting is a natural cat behavior. To be exact, it’s a species-specific behavior, ...