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; ...

Carl Linnaeus was the famous 18th century Swedish botanist and naturalist who created the basic biological taxonomy — the so-called binomial classification system — that is the foundation of our ...

There are millions of different types of living things on Earth. In order to keep track of them all, scientists put living things into groups based on characteristics that they have that are the same.