Ancient oak trees rise above gigantic boulders scattered across a high desert mesa in Arizona’s Tonto National Forest. This ...

In a new court filing, the Trump administration says it will reissue an environmental impact statement that would allow the government to swap land with Resolution Copper at Oak Flat. The land ...

The US' history goes back thousands of years, thanks to a wealth of archaeological sites that give insight into the first ...

Beneath this biologically rich landscape, home to a variety of dry-land species including the endangered hedgehog cacti and ...