Arizona will be on the sidelines while Texas, California and perhaps other states try to one-up each other with competing ...

A map of the proposed rail corridor between Tucson and Phoenix, in Arizona. ADOT Completion of this phase will allow the state to enter the next round of project work, which includes environmental ...

Analysis by Arizona State University (ASU) researchers has revealed "rapid and accelerating" groundwater loss in the basin's underground aquifers between 2002 and 2024.