Arizona hosts a significant quantity of pegmatite mineral deposits that have served as commercial sources of beryl, feldspar, lithium, mica, tantalum-columbium minerals, tungsten and quartz.

Mining activity in and around the Atascosa Mountains just north of the border with Mexico in Santa Cruz County dates back to the Spanish; perhaps overseen by the Jesuits, and later Mexicans, who ...

Camping tents and sleeping bags may get the glory, but your camping table is arguably the MVP of any camping trip. That’s because it’s the glue that ties together the best camp kitchens, acting as the ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

An inherent principle of publication is that others should be able to replicate and build upon the authors' published claims. A condition of publication in a Nature Portfolio journal is that authors ...