A recovery plan for the Mexican gray wolf released by the U.S. Fish and Wildlife Service falls far short of enabling the species to rebound, according to conservation groups that panned the plan for not providing enough habitat or allowing wolf populations to grow large enough before delisting.

A cactus in Saguaro National Park that likely was a seedling before Arizona became a state was recently shot up to 14 times with a shotgun and is not expected to survive.

For many families, fall is back-to-school time — and with moderating temperatures in Tucson, Arizona, and an end to summer rains, students in southern Arizona can again experience the outdoor classroom that is Saguaro National Park.

Summer in the Sonoran Desert is HOT — as daytime temperatures regularly exceed 100 degrees from May through September — but visitors still have a lot to enjoy at Saguaro National Park, just outside Tucson, Arizona. Desert hiking in extreme heat can be hazardous, but savvy visitors know they can hike early, pace themselves, rest often, and drink at least one gallon of water per person per day — while using sunscreen and wearing a hat with a full brim.