Great apes began to diverge from other primates about 25 million years ago, according to eastern African fossil records.

Scientists announced the discovery of a new species of early tyrannosaur in a museum vault in Mongolia, an ancestor to ...

New fossil research shows that teeth originally evolved as sensory tissue embedded in the armored exoskeletons of ancient ...

In most vertebrates, skin appendages such as hair, feathers, or scales originate from placodes—small, specialized skin ...

In this Review, we first describe the evolution and phylogeny of this fascinating gene family. It is impossible to review in detail the contribution of all of the Fox genes to development and ...