The Transwestern Pipeline’s Desert Southwest Expansion project will benefit major utility companies including Arizona Public Service and the Salt River Project.

Nightfall is back at Old Tucson, and organizers say the 33rd edition of Southern Arizona’s Halloween tradition will be bigger ...

“Nightfall is the premier event for Old Tucson,” Sanders said. “It’s the shortest operation, but it does the most in revenue ...

The Tucson City Council voted unanimously to kill Project Blue, a large data center proposed for land near I-10 and Houghton.