New research has discovered 16 new desert grasshopper species, revealing their Ice Age-driven isolation and diversification.

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

Tucson’s known for natural wonders. But for snowbirds after a different side of the Southwest, the dynamic downtown is ...

Happy Statehood Day, Arizona. From Stevie Nicks and the Colorado River to creosote and Camelback Mountain, here's why we love ...

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.

The Painted Desert, located within the Petrified Forest National Park in Arizona, is a tapestry of vibrant colors and ...

Although the Western genre is traditionally geared toward adult audiences, it contains plenty of films that appeal to ...

The concentrating solar array in California is on the path to closure after being hailed as a breakthrough for renewable ...

Deputies located several empty liquor bottles in a Las Vegas court administrator’s truck after he allegedly drove impaired ...

The Bennu samples contain 14 of the 20 amino acids that are essential for life on Earth to build proteins. Also found were ...

Asteroid samples fetched by NASA hold not only the pristine building blocks for life but also the salty remains of an ancient ...