Tucker, a member of the Tohono O’odham Nation, carries on the ancient custom of plucking the fruit from the giant saguaro cactus, but she must work quickly. Once the rains soak the land ...

Arizona’s Saguaro National Park takes its name from the largest cacti in the United States. The park, which flanks Tucson, is home to millions of the cacti, which can grow up to 50 feet tall.

Saguaro No. 322 was just two inches tall when it was first spotted growing in the shade of a palo verde tree near the western slope of the Rincon Mountains in 1971. Today, the cactus tops out at ...

National parks are offering a growing number of nighttime programs for visitors looking for novel experiences or those eager ...

Oracle State Park is that pinch-worthy place, nestled in the northern foothills of the Santa Catalina Mountains just an hour from Tucson. You know those places that somehow manage to stay under the ...

To understand the engineering challenges they had set before them, members of the University of Pittsburgh at Bradford’s Baja ...

Prepare to see something wild and unexpected in this Arizona canyon, where a surprising tree defies the odds in the harsh and ...

The agency gave fertility control injections to just over a hundred mares and stallions before releasing them back to the wild. The rest—about 350 horses—were sent to holding facilities ...