Some Arizonans were concerned on Monday night over what they saw in the night sky but it was an event that has happened a few ...
Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.
“In southern Arizona, we have some of the best night skies in the country ... Arizona is home to the first-ever designated dark sky place, Flagstaff, which was certified in 2001.
A weather system moving through Arizona will leave light rain sprinkles in Phoenix and snow in Flagstaff. A drier period is ...
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