A brand new species of tarantula has been discovered lurking in southeastern Arizona. The new species, Aphonopelma jacobii, ...

Arizona's deserts are home to many creepy crawly creatures. Some are entirely harmless, but others aren't. Here are 12 of the living dangers.

A bizarre video has emerged of a wasp and a tarantula having a deadly wrestling match in Congress, Arizona. The footage, shot by a resident in August, shows a tarantula-hawk wasp attacking a ...

Biologists have discovered a new tarantula species in Cuba that is bigger and hairier than other spiders in its genus. A new study, "A hairy giant among dwarves," published this month in the ...