Long before the first sparks of civilization — or even humanity as we know it — our ancestors were already inventors. On the ...

New findings reveal the geological age, context, and anatomy of hominin fossils discovered at the Ledi-Geraru Research Project in Ethiopia. Although scientists have uncovered much of the story of ...

Tucson’s professional sports scene has been raided by both Cowboys and Indians, infested by Sidewinders, Gila Monsters, Toros and Roadrunners, blessed with Padres and soaked by a Monsoon. There have ...