When our ancestors moved ashore some 360 million years ago, they underwent a lot of changes as they evolved from ocean-swimming fish to land-walking tetrapods. For one thing, they needed feet instead ...

A study of the African lungfish reveals that it has a rudimentary ability to detect pressure waves caused by sound. The finding expands our knowledge of how hearing evolved in early tetrapods, the ...

p>PHILADELPHIA—New research by scientists at The Academy of Natural Sciences provides the first detailed look at the internal head skeleton of Tiktaalik roseae, the 375-million-year-old fossil animal ...