Arizona is home to one of the most unique science experiments in the world. Biosphere 2 is a groundbreaking research facility studying climate change and ecosystems inside an enclosed glass structure ...

Outside the thriving desert mecca of Tucson in southern Arizona lies a little-known piece of aviation history among the local ...

Wildlife researchers attached radio collars to several bobcats and studied their movement throughout the Tucson area.

Arizona is no stranger to weird and wild things. These nine landmarks were recently named the strangest in the state by World ...

Laguna la Cruz on the Gulf of California coast in Sonora, Mexico, is an important stopover point for many migratory species.