The city of Tucson, Arizona, sits on America’s southern border, surrounded by the cactus-strewn landscapes of the Sonoran ...

Giant Saguaros, an icon of the southwest. This majestic cactus is found only in the Sonoran Desert. But over the last five years, people are noticing more and more of them are leaning ...

A Harris's antelope squirrel amongst the spines of the cholla cactus, where it painstakingly ... heat dumping behaviour in Arizona’s Sonoran Desert, the crew had to be very aware of other ...

Visitors who arrive mid-February through mid-June will see an abundance of blooming cactus just begging for ... colored plants sharply contrast the Sonoran Desert's cinnamon-red buttes, and ...

The heartbeat of Tucson is the Sonoran Desert, one of the world’s most ... and a never-ending sea of saguaros—the giant cartoon-famous cactus that serves as the city’s unofficial emblem.