There are few creatures on Earth whose very silhouette evokes both awe and heartbreak quite like the black rhinoceros.

Normally, we think of evolution as a good thing for a species. Humans, we evolved to walk on two legs and talk and stuff. Bacteria evolve to overcome whatever new antibiotic we try to throw at them.

Rhinos once called the Arctic home and now scientists have identified a new extinct species in Devon Island, Nunavut—evidence that these mammals travelled farther north than any known rhino before ...