Between crested cactuses and the "four-arm flexing" cactus, Arizona's native flora can take some unusual shapes. Tucson even has the kissing cactus, which looks like a couple embracing. But the T-Rex ...

Cactuses are an integral part of the Arizona landscape — especially the tall saguaros that tower over swaths of the desert. Each year in the late spring, white blossoms emerge in the desert, crowning ...

Arizona's saguaro cactus has evolved to thrive in the extreme climate of the Sonoran Desert, but after decades of rising heat, even these towering icons are showing signs of stress. "It doesn't take a ...