While Southern Arizona is known for its porphyry copper deposits, Northern Arizona is better known for its nonmetallic commodities, including basalt, helium, potash and carbon dioxide (CO2).

A witness said Jackson approached the front door and attempted to kick it in. When that failed, Jackson reportedly grabbed a concrete cinder block and threw it through a window of the residence. The ...

Sitting in front of a computer screen for five hours a day can dramatically increase the risk of depression and insomnia, new research suggests. Previous studies have focused on how too much ...

The excavation showed the smaller pool inside the original 1940s pool structure was not concrete block, but cinder block with a layer of concrete over top, Markovich said. Leaks from the skimmer ...