As the trail wound its way into Arizona's Sky Islands, the region's biodiversity was on full display, as were the threats from rising temperatures.

Each side of Saguaro National Park offers a visitor center with restrooms and watering stations. Visitors will find maps, ...

Welcome to Yuma, where the sun shines so much that even the cacti wear sunglasses. This southwestern Arizona city sits right on the California border, making it perfect for folks who want desert ...

Saguaro Park in southeastern Arizona, near Tucson, offers a landscape unlike anything you’ll see elsewhere. The park hosts ...

Jeff Moore is a professor of geology and geophysics at the University of Utah. He uses field observations and monitoring data ...

Phoenix and Scottsdale offer amazing adventures for everyone who visits. From desert hikes to art galleries, these twin cities blend outdoor excitement with cultural experiences. Whether you love ...

By analyzing the natural vibrations of a saguaro, scientists can study the cactus's insides without cutting them open.

The saguaro cactus is engineered for endurance in one of North America’s toughest environments. Rising up to 70 feet tall, with arms reaching skyward like desert sculptures, the cactus endures searing ...

The Christmas cactus (Schlumbergera x buckleyi) is a much-loved festive plant that puts on a spectacular floral display over the holidays. Unlike desert cacti, it hails from the humid tropical forests ...

OPINION – My first council speech was a trial by fire — and the fire was a screaming, aggressive crowd. It appeared to be a coordinated group, acting to intimidate anyone who dared to … ...