Rising carbon dioxide levels in the ocean have been shown to adversely affect shell-forming creatures and corals, and now a new study by researchers at Scripps Institution of Oceanography at UC San ...

When saltwater fish long ago evolved to live in fresh water, many of them also evolved a more sophisticated hearing system, including middle ear bones similar to those in humans. Two-thirds of all ...

A tiny fossil fish from Alberta is forcing scientists to rethink a story that has sat quietly in textbooks for decades. It is a story about how freshwater fish rose to dominance, and how a few bones ...

The outer ear is unique to mammals, but its evolutionary origin has remained a mystery. According to a study published in Nature from the USC Stem Cell lab of Gage Crump, this intricate coil of ...