For Star subscribers: A small population of native synchronous fireflies has been documented for the first time at Saguaro National Park, much to the delight of bug experts.

Saguaro National Park, long known for its vast expanses of lush desert and stately cacti, has now made it onto a list of most polluted national parks.

Explore Arizona's largest cities by population and area, including Phoenix, Tucson, and Mesa. Find out which Arizona cities ...

No reason to let the weather stop you from visiting a national park! There's plenty to do even when it rains.

Saguaro cactus fruit grow at the end of an arm during a harvest day for the Tohono Oʼodham people in Saguaro National Park near Tucson, Ariz., on Monday, June 23, 2025.

Clayborne Thomas, of the Tohono Oʼodham nation, picks saguaro cactus fruit during a harvest day in Saguaro National Park near Tucson, Ariz., on Tuesday, June 24, 2025.

Clayborne Thomas, of the Tohono Oʼodham nation, catches a fruit harvested from a saguaro cactus in Saguaro National Park near Tucson, Ariz., on Tuesday, June 24, 2025.