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

FLAGSTAFF, AZ (AZFamily) — Lowell Observatory has done a lot for astro-tourism in Arizona. With the opening of the new ...

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

When was Pluto discovered? Pluto was discovered in 1930 by Clyde Tombaugh, an American astronomer at the Lowell Observatory ...

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 ...

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

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 ...

Cody Half-Moon is the Chief Marketing Officer at Lowell Observatory, where she combines ... making a meaningful impact in Flagstaff. A shining example of her leadership was the opening of Lowell ...

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

The US city of Flagstaff is home to an astronomical observatory, renowned for cutting-edge research, and boasts incredibly clear night skies. Photograph by Tom Alexander ...