A father and son who took a nature walk in North Nashville came upon a human skull on Jan. 2, prompting authorities to later search the area for human remains.

To account for the numerous gaps in the fossil record, they treated the parts of the world where fossils have not been uncovered as missing information rather than designating them areas where no ...

Paleontologists have uncovered an exceptionally complete skull of a massive bird that lived 45 million years ago. This ...