Republican legislators and the Trump Administration have launched a multi-pronged effort to cut back national monuments in ...

As Peoria experiences considerable development and economic growth, here’s a look back at the city’s roots and early days. See the historical photos.

In one of his first secretarial orders, Doug Burgum ordered staff to review public lands with an eye toward opening them to mining or drilling.

Middle Point Landfill management pitched expansion Tuesday after facing recent opposition from the Rutherford County and ...

More than 1 million people could pour into western Maricopa County in the coming decades – if housing developers can secure ...

The overall goal is to reduce groundwater overdraft, a condition in which more water is drawn from a well or aquifer than is ...

Here's how abortion care in Arizona has changed since Proposition 139 passed, including expanded services at Planned ...

PHOENIX (AP) — Democratic Arizona Gov. Katie Hobbs renewed a push Thursday to regulate groundwater in rural parts of the drought-stricken state, and she's more optimistic ... areas that limit farming ...

Colorado State University researchers have identified priority areas for the conservation of the black-tailed prairie dog in ...

We call the road ‘Killer 89,’” said Candis Yazzie, the former vice president of the Cameron Chapter House. Now, a mining ...

Here’s everything you need to know to plan a trip to Saguaro National Park, including the best hiking trails, things to do, ...