Pluto was the little planet that could — until it couldn’t. Discovered in 1930 at Lowell Observatory in Flagstaff, Arizona, ...

FLAGSTAFF – Clyde Tombaugh sat in the Orpheum Theater that fateful night in February 1930, waiting for clouds to pass before the 24-year-old astronomer could return to Lowell Observatory to ...

Kirk to bend Trump’s ear toward Pluto. Getty Images The now-dwarf planet was first discovered in 1930 by Clyde W. Tombaugh, an Illinois native, at Lowell Observatory in Flagstaff, Arizona.

Did you know? The Lowell Observatory's scientific achievements include Clyde Tombaugh's discovery of Pluto, Vesto Slipher's early work on the expanding universe and the mapping of the moon for ...

PHOENIX (AZFamily) — In 1894, Lowell Observatory began exploring the stars, almost 20 years before Arizona became a state. The museum gets over 100,000 visitors per year and was named the best ...

It is located in Happy Jack, about 50 miles away from the Lowell Observatory. The telescope has been instrumental in discovering eco-planets, supernovas and monitoring the path of asteroid YR 2024.

The Lowell Observatory—famous as the site of Pluto's discovery—now features an open-air planetarium, where visitors can get live commentary on that night's sky from the comfort of heated seats." ...