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 ...

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

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 ...

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 ...