Police say the gun used in the Nashville school shooting was purchased in Arizona as detectives piece together why the high ...

Frequent hikers voiced their concerns over a Phoenix plan to expand the city's trail closures, saying the trails help their health but for first responders the closures save lives.

A significant change from the Trump administration's first week is the regulation of toxins in drinking water or so-called “forever chemicals” that can build up in the environment and our bodies.

A significant change is the regulation of toxins in drinking water or so-called “forever chemicals” that can build up in the environment and our bodies.