The Center for Biological Diversity sharply criticized U.S. Customs and Border Protection plans to build through a section of ...

One of the namesake proprietor’s prized maps at William R. Talbot Fine Art shows California as a massive island off the coast ...

(The Center Square) – Members of the violent Venezuelan prison gang, Tren de Aragua (TdA), continue to expand criminal operations in western states, including in Arizona, Colorado, Utah and Wyoming.

In the final weeks of the administration of President Joe Biden, some law enforcement along Arizona's border with Mexico ...

Arizona Department of Water Resources (ADWR) is set to begin its first extensive survey of wells and groundwater availability ...

Supporters of the tours say they offer an exciting experience and allow older people and those with disabilities to see and enjoy the parks. Critics say the flights are an unnecessarily dangerous way ...

At least a third of landowners approached by state officials have refused to let wall be built on their properties, leaving ...

A flush of cleaned wastewater into the Santa Cruz River has restored a fish and wildlife connection in Arizona's Sky Islands.

While many in the U.S. have lambasted the flow of migrants and drugs from Mexico, the porous border works both ways. Mexico's ...

The government of Mexico says guns from the U.S. help fuel cartel violence. Now it's suing a major American gun maker and a ...

Plus: Last-minute action on Colorado’s endangered species, bogus oil and gas data along the Front Range and more ...