A new 280-mile-long freeway that would go from Nogales to Wickenburg is in a court battle. ADOT and the Federal Highway ...

With threats of avian flu and lead poisoning, biologists are working overtime to care for a species that nearly went extinct.

Call it a cliché, but this metro Phoenix city's rapid growth has been a bit of a surprise when considering its humble startup from a single acre.

Homolovi State Park was ranked among top road trip destinations in Arizona, and for good reason. Here's why you should make ...

A major step in the process of building a new airport south of Las Vegas to supplement Harry Reid International Airport operations is expected to begin sometime this year.

In the Arizona desert, researchers are learning so much more about the peoples who have inhabited this land since antiquity ...

Researchers analyzed saliva the nocturnal mammals leave behind when sipping nectar from plants and residential hummingbird ...

PHOENIX — As winter rolls on, Arizona wildlife officials urged people to proceed with caution when walking on frozen lakes. No matter if the lake has newly frozen over or has been frozen for ...

Arizona State will attempt to earn its first home victory over rival Arizona in five seasons when the programs clash Saturday afternoon in their first matchup as Big 12 opponents. The Sun Devils ...