An Australian mining company has delayed zinc production in Arizona's Patagonia Mountains, citing higher costs.

A copper mining project near Mount Lemmon has received a financial boost from a Japanese company, and land has been purchased ...

Higher-education options in the US can vary from state to state. US News & World Report ranks colleges and universities ...

A U.S. district judge on Friday denied the latest request by a Native American tribe, environmentalists and other plaintiffs to stop the federal government from transferring land in Arizona for a ...

The northwestern part of Arizona, where nearly 80,000 acres may soon be offered for drilling, is not known to have ...

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