If you hear something interesting, you might prick up your ears. That's a figurative expression, of course. People's ears don't actually move upward. But NPR's Nell Greenfieldboyce found that this old ...

When people are trying hard to listen to something, the body seems to do its best to "prick up its ears," even though this ability was lost by our evolutionary ancestors millions of years ago. That's ...

If you can wiggle your ears, you can use muscles that helped our distant ancestors listen closely. These auricular muscles helped change the shape of the pinna, or the shell of the ear, funneling ...