Add Yahoo as a preferred source to see more of our stories on Google. The official 4-species status was achieved only after reviewing recent genetic, morphological, and biogeographic studies on ...

Scientists who study new species sometimes refer to their field, taxonomy, as the world’s oldest profession. That moniker — which usually refers to prostitution — might not be accurate but underscores ...

A new study has revealed how many species are actually multiple groups that are physically similar but genetically distinct.

For over 200 years, there has been just one species of giraffe, Giraffa camelopardalis. This unmistakable African animal is easily recognized across the world. With their long necks and distinctive ...