Biologists are quietly rewriting what it means to be alive, and the human body has become one of their strangest frontiers.

Many known hominin fossils defy species classification, with the most famous example being the ever-enigmatic Denisovans. A study by anthropologists from the Chinese Academy of Sciences and the ...

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 ...

Are species constructs of the human mind? -- Why is there a species problem? -- Is the biological species a class or is it an individual? -- What are traits in taxonomy? -- Diversity within the ...

Every year, scientists add thousands of new names to the great book of life. This momentum was initiated by the work of ...

A nearly 200-year mystery in owl taxonomy has been solved, with Pulsatrix perspicillata pulsatrix formally recognised as a ...