Why is the smell of Arizona's monsoon so distinctive? It releases the aromas of the desert, one ecologist says.

Archaeology & History 4,000-Year-Old Walled Oases Shed Light on Ancient Life in the Saudi Arabian Desert Researchers have confirmed four newly identified walled oases.

Here's everything to know about the comedian's life, nearly eight years after her Trump photo scandal pushed her out of the spotlight. What is Kathy Griffin known for?

The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its fruit ripens. For the Tohono O'odham Nation, harvest time for the “bahidaj” is a sacred start ...

The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its fruit ripens. For the Tohono O'odham Nation, harvest time for the “bahidaj” ...

The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its fruit ripens. For the Tohono O'odham Nation, harvest time for the “bahidaj” is a sacred start ...

The history of encounters between Catholicism and Native spirituality has often been marred by violence and oppression. But many Tohono O’odham families hold onto both faith traditions in the ...