For the thrill-seekers and experienced hikers, we've found some of the most dangerous trails in Arizona and outlined how to ...

A new report from the American Lung Association shows that Phoenix's ozone problem is worsening, while its particulate ...

The city of Tucson, Arizona, sits on America’s southern border, surrounded by the cactus-strewn landscapes of the Sonoran ...

From Lowell Observatory to Kitt Peak to Mount Graham, here are the 11 best planetariums and observatories in Arizona and ...

Parts of Arizona burst into color each summer with vibrant lavender blooms, like stepping into southern France.

Try-on services The best online glasses retailers offer some ... eye exams can reveal early signs of glaucoma, diabetes, and high blood pressure. Along with a valid prescription, you’ll also ...