Scientists have traced the evolutionary origin of humans' outer ears to the gills of ancient fish through a series of gene-editing experiments. When you purchase through links on our site ...

The mammalian ear is a perfect example. Over the eons, the jawbones of our fish ancestors became three separate small bones that transmit sound waves from the eardrum to the inner ear. Now a new ...

The human outer ear may have arisen from ancient fish gills. | Credit: A. Martin UW Photography/Getty Images (left); Photographer, Basak Gurbuz Derman/Getty Images (right) Humans' outer ears may ...