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 ancient fish lived about 305 million years ago during the Late Pennsylvanian period of the Paleozoic Era, the New Mexico Department of Cultural Affairs said in a Jan. 10 news release.

A partial skull of an ancient fish was found in the New Mexico desert, officials said. Getty Images/iStockphoto A “demon-toothed” sea creature with “large, well-spaced fangs” has been ...