From the Dorrance Planetarium at the Arizona Science Center in Phoenix, where you can enjoy immersive shows and live astronomy presentations, to the Flandrau Science Center in Tucson, offering 360 ...

The observatory made international news as it released its first images this week. The observatory took over two decades to ...

Mount Graham International Observatory in Arizona, home of the Submillimeter, ... Tours start at Eastern Arizona College in Safford, about 165 miles southeast of Phoenix.

Arizona Gov. Katie Hobbs signed a bill making Pluto the official state planet. It was discovered at an observatory in Arizona, but was downgraded to a dwarf planet in 2006.