Cases of legionellosis, which causes Legionnaires' disease, are up in Arizona. Not all cases of legionellosis are severe.

A recent Arizona Supreme Court ruling could make it easier for residents to get local road and traffic laws on their cities’ books.

A small medical transport plane crashed in Arizona while en route to pick up a patient, killing four people on board.

Construction is complete on the University of New Mexico Hospital’s new critical care tower, which officials say will boost ...

The National Traffic Safety Bureau and the Federal Aviation Administration are investigating the deadly crash, authorities ...

A small medical transport plane crashed and caught fire Tuesday on the Navajo Nation in northern Arizona, killing four people ...