"It would take well above normal snowfall ... which isn't looking likely." Officials warn of potential risks amid ...

Clyde Tombaugh didn't set out to discover Pluto when he sent his sketches of the night sky to Lowell Observatory in Flagstaff ...

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

The U.S. Postal Service will hold its second Flagstaff job fair of the year on Friday, Feb. 21, seeking to fill immediate job ...

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

Joe Richards, who served an unequaled eight terms as Coconino County Sheriff from 1972 until 2004, died on Feb. 6. A cause of ...

Arizona is no stranger to weird and wild things. These nine landmarks were recently named the strangest in the state by World ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...