Add Yahoo as a preferred source to see more of our stories on Google. Many known hominin fossils defy species classification, with the most famous example being the ever-enigmatic Denisovans. A new ...

Genetic analysis of Bornean frogs revealed several distinct groups, suggesting more species may exist than previously believed.

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 ...

New genetic research suggests a common Southeast Asian frog long believed to be one species could actually be six or seven distinct ones.

Biologists originally classified the lesser and greater prairie chickens of the Great Plains as two different species. Difficult to distinguish by their physical appearance alone, some scientists have ...

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 ...

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 ...