There are over 12,500 known ant species in the world, with new ant species still being discovered by scientists to this day.

From tiny nuisances to powerful predators, ants are some of the most fascinating, diverse and sometimes deadliest insects on ...

Tucson's quirky saguaros A Gila woodpecker prepares to pop into its nest on a crested saguaro at Tucson Botanical Gardens, Tuesday, June 1, 2004. Chris Richards / Arizona Daily Star ...