PHOENIX (Reuters) - Arizona's saguaro cacti, a symbol of the U.S. West, are leaning, losing arms and in some cases falling over during the state's record streak of extreme heat, a scientist said on ...

PHOENIX — The acuna cactus is a small and spherical succulent that grows pink colored flowers with green fruits in the Sonoran Desert. The cactus native to Arizona, though, is listed as endangered and ...

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 ...

PHOENIX - The saguaros that tower over the Sonoran Desert are synonymous with Arizona and are known for their resilience, but experts are concerned that this heat could be too much for them. The cacti ...

At the Desert Botanical Garden, researchers can request plants that have been catalogued over 80 years to understand genetic changes.

Record-high temperatures over the last few years in many parts of the United States have contributed to major stress on plants, animals, and humans. The extreme heat, coupled with a lack of rainfall, ...

Arizona's pygmy-owl will once more be protected under the Endangered Species Act. The U.S. Fish and Wildlife Service said Wednesday it would list the cactus ferruginous pygmy-owl as a threatened ...

BATIMORE, Md. — Inside the plant shop B. Willow, owner Liz Vayda carefully tends to her livelihood. “Plants are the basis of life,” she said. Yet, they’re also the basis of something else: a lucrative ...