If you're looking for the ultimate outdoor photo spot, Utah has vibrant purple mountains - and they're near the state's mini" Grand Canyon too!

Take a romantic hike an easy paved trail around the town of Fountain Hill's world-famous fountain this Valentine's Day.

Public utilities in Arizona would get immunity from most legal claims for damages if their infrastructure caused a wildfire.

All kinds of animals use conspicuous colors, from flashy reds to startling yellows and oranges. It’s a quirk of evolution ...

New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...

NASA’s OSIRIS-REx mission delivered samples from asteroid Bennu, revealing crucial molecules linked to life, including amino ...

Whether it's an anniversary, a birthday, a holiday, or just because, here are five romantic Airbnbs in Arizona for you and ...

The vast valleys of Vallis Schrödinger and Vallis Planck demonstrate the incredible forces that shaped the face of the Moon.

The number of monarch butterflies spending the winter in western states like Arizona and California dropped dramatically even ...

Arizona's state bird fends for itself against predators in the desert, making its home in prickly plants. Here's what to know ...

Tariffs are possible on imports from Mexico, Canada and China. The president of a small Arizona business wonders if her firm could survive a trade war.

Arizona has some of the prettiest sunsets, but why? There's a science behind it. Here's what to know, including sunset times ...