Researchers say they now can tell the endangered species apart from other bats by analyzing saliva left behind when sipping nectar.

A portion of U.S. Highway 93 in Arizona is being widened as part of a long-term project on the road linking Las Vegas and Phoenix ... includes building two new bridges over Crane Springs Wash ...

With such a difference between states, you will feel like you are in a brand new country every time. The size of the USA means that travel between states is relatively long. To get between states that ...

Arizona officials announced this month that the state would not approve new housing construction on the burgeoning edges of the Phoenix metro area because there isn’t enough water to support ...