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 ...

Every mind-bending molecule in nature has an evolutionary origin; a defense against being eaten, a lure for pollinators, or perhaps a happy biochemical accident. Though they seem extraordinary, life ...

A viral National Park Service warning about licking toads highlighted the potent psychedelic 5-MeO-DMT found in Colorado ...

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

Scientists discovered how to study cactus movement without harm - by measuring the silent sway of these desert giants using ...

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

As temperatures rise, wild species are forced to migrate to cooler areas. Climate change is fragmenting habitats, causing ...

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 ...

A federal appeals court rebuffed a bid to have the Sonoran Desert area bald eagle listed as endangered, saying, in essence, that if they all are eradicated it wouldn’t make a real difference to eagle ...

The Arizona-Sonora Desert Museum has announced the passing of Cruz, a cherished 13-year-old mountain lion, who was humanely ...