New research has discovered 16 new desert grasshopper species, revealing their Ice Age-driven isolation and diversification.

Crocodiles, monkeys, tigers, zebras and dozens of other taxidermy animals will move to new homes after concerns about arsenic ...

Tucson’s known for natural wonders. But for snowbirds after a different side of the Southwest, the dynamic downtown is ...

In the Arizona desert, researchers are learning so much more about the peoples who have inhabited this land since antiquity ...

Arizona has added a new species of bat to the list of night-flying creatures that frequent the state. The recent confirmation ...