Arizona biologists are sounding the alarm on the non-native and feral burros that are negatively impacting important plant ...

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

People who live along the border watched their aquifers recede as the border wall grew. Now they fear it will happen again.

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

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

Traveling across the United States doesn’t have to mean draining your savings or sacrificing comfort and good experiences. In ...

Rising from the Sonoran Desert like a mirage, Tovrea Castle at Carraro Heights stands as one of Arizona’s most enchanting architectural wonders. This cream-colored, tiered structure resembling a ...

Rising from the Sonoran Desert like a mirage that refused to disappear, Tovrea Castle at Carraro Heights stands as Arizona’s most unexpected architectural treasure. This cream-colored confection, with ...

Animals can adapt to any environment – even a sandy, arid landscape like the Sahara Desert. The vast stretches of sand dunes, ...

A staff member who tried to intervene was bitten, and the museum closed for a day Wednesday while trained staff searched the grounds and trapped the animals. The bite did not penetrate the skin and ...

Colorful lichen living on dinosaur bones reflect infrared light that can be detected by drones, which might lead to finds in remote areas.

The Yarrow's spiny lizard lives in a narrow band of the Mule Mountains, but its numbers are declining as temperatures warm ...