Growing up, all of your family’s traditions were perfectly normal. Nobody would question them, and you might have assumed that every family followed the exact same rituals. But there comes a time in ...

A Tucson-based startup is one of two finalists in an international competition to push development of new technologies to reuse mine tailings — leftover material from mining operations. Auxilium ...

Mining company Freeport McMoRan faces charges from Pima County that blowing tailings from its Sierrita Mine in Green Valley violated county law and the company’s air quality permit. The county ...