Taxonomy, or the naming of species, is surprisingly complicated – and contentious. It doesn't take much scientific expertise to divide lions from tigers, or pigeons from flamingos, but details count ...

Thank you for publishing Malcolm G. Scully’s “Are You a Lumper or a Splitter?” (August 16, The Review). The issues are by no means limited to birds. ... A great many of my colleagues around the very ...

The researchers used data to investigate natural divisions in bacteria with a goal of determining a viable method for organizing them into species and strains. A photo of the saltern site in Spain ...

Dave Miller: This is Think Out Loud on OPB. I’m Dave Miller. The Trump administration is proposing to change the definition of “harm” under the regulation of the Endangered Species Act. For decades ...