Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...

Scientists at the University of Southampton have developed a new way of analyzing fossils, allowing them to see how creatures from millions of years ago were shaped by their environment on a day-to-da...

The study of phenotypic evolution has been transformed in recent decades by methods allowing precise quantification of anatomical shape, in particular 3D geometric morphometrics. While this effectiven...

Abstract. Rates of evolution get smaller when they are measured over longer time intervals. As first shown by Gingerich, rates of morphological change meas