In 1894, Lowell Observatory began exploring the stars, almost 20 years before Arizona became a state.The museum gets over 100 ...

A stronomer Percival Lowell founded his Arizona stargazing lab in 1894 to aid in his search for life on Mars. While that ...

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

The planet's existence had first been suspected more than 30 years before by American astronomer Percival Lowell, whose study of the movements of the the orbits of planets, meteor showers and ...

Astronomer Percival Lowell founded his Arizona stargazing lab in 1894 to aid in his search for life on Mars. While that quest is still ongoing, the observatory made history as the place where ...

Yes. Clyde Tombaugh discovered Pluto on Feb. 18, 1930, at Lowell Observatory in Flagstaff. Percival Lowell, the observatory’s founder, had predicted the existence of a ninth planet, which he ...

This observatory was founded in 1894 by the Harvard-graduated mathematician Percival Lowell. Throughout the years, the observatory has been credited with making a handful of important findings.