As Colorado River states race to finish a deal, water users face a resource altered by drought and climate change.

The city of Phoenix has planted several gardens to support struggling monarch butterflies, including one at the downtown ...

They found that the insects in orchards next to native plants fed on more than twice as many different plant species, especially during times when avocado trees weren’t flowering.

Native plants are more than just part of the scenery. They’re the backbone of functioning ecosystems — especially for native birds and insects. When these plants disappear, so do the species ...

PHOTO ESSAY: Tohono O’odham families carry on sacred saguaro fruit harvest in Arizona borderlands Tanisha Tucker Lohse, right, and Maria Francisco, both of the Tohono Oʼodham nation, harvest fruit ...

The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its fruit ripens.

TUCSON, Ariz. (AP) — On St. John the Baptist’s feast day in late June, an extended Tohono O’odham family attends Mass out at their desert camp, where they ...

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 ...