Tours of Mount Graham International Observatory will begin May 20 and run on Saturdays through late Oct. The tours are operated by Eastern Arizona College's Discovery Park Campus in Safford.

You can see how they work for yourself with a tour. The Mount Graham International Observatory holds three powerful telescopes, including the famed Large Binocular Telescope Interferometer ...

The Faculty Senate report states: “On ethical, material, political and cultural grounds, we cannot afford to join the MGIO (The Mount Graham International Observatory) project.” The American Indian ...

Firefighters battling the Frye Fire on the north side of Mount Graham worked Saturday and through the night to improve 15 miles of control lines to protect Mount Graham International Observatory ...

The telescopes at the Mount Graham International Observatory peer into the heavens, seeking drama miles up in the sky. These days, though, the drama is much -- much -- closer to home. A ...

University police arrested five protesters for interrupting a Board of Regents meeting Friday, delaying it for an hour as they called on the University to end its involvement in the controversial ...

The UA's Mount Graham International Observatory is getting a new communication antenna to replace the one that's more than 10 years old. The new 40-foot mono-pole will offer scientists higher ...

(Check each observatory’s web site for the latest information on when they will reopen.) Mount Graham is marking its 30th anniversary as an international observatory, while LBT celebrates its ...