The annual event celebrates the discovery of the little planet with a big heart and other scientific advances at Flagstaff, ...

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.

Whether Pluto is officially a planet is the least interesting thing about the runt of the solar system, astronomers will tell you 95 years after the discovery of the fascinating and sometimes ...

FlagShakes will present the show at its new Beaver Street Theatre in downtown Flagstaff Feb. 14-23 for a sequel that focuses ...

The "Star Trek" legend's only son will discuss his memoir at the annual space-themed event.

The city of Flagstaff has taken big steps to preserve the clarity of its night sky. Find out the best ways to experience the world-class stargazing that this city in Arizona has to offer.

For more information, visit the Lowell Observatory's website. Grand Canyon Railway Train Tickets (595 reviews) Antelope Canyon and Horseshoe Bend Day Tour from Flagstaff ...

Lowell Observatory is also located in Flagstaff, the epicentre of Arizona's celestial scene. The observatory holds many exhibits, and visitors can look through renowned telescopes that use state ...

Tombaugh sent some of his drawings of Mars and Jupiter to the Lowell Observatory in Flagstaff, Arizona. The observatory directors were so impressed by Tombaugh’s work that they offered him a job ...