Micro-organisms constitute a very antique group of living organisms which appeared on the Earth's surface almost 3000 million years ago.

In the quest to decipher the evolutionary relationships of extinct organisms from fossils, researchers often face challenges in discerning key features from weathered fossils, or with prioritizing ...

This article was originally featured on Undark. For centuries, taxonomists have cataloged every living thing they could find. Expeditions have traveled the globe, searching for unknown species; ...

During a seminar at another institution several years ago, University of Chicago paleontologist David Jablonski fielded a hostile question: Why bother classifying organisms according to their physical ...