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 ...

That distinction belongs to the visionary astronomer Percival Lowell. In 1894, Lowell founded Lowell Observatory in the Arizona territory (Arizona wouldn't become a state until 1912). Originally a ...

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 ...

What do Uranus, Pluto, and an awe-inspiring celestial event have in common? They all converge on the iconic date of March 13.

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 orbits of planets, meteor showers and comets ...

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

Olympic skier Mikaela Shiffrin turns 30 and actor Emile Hirsch turns 40, among the famous birthdays for March 13.

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.