Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.
Looking up at the moon in the night sky, it’s difficult to grasp just how dramatic the topography of its surface really is.
Arizona is no stranger to weird and wild things. These nine landmarks were recently named the strangest in the state by World ...
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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