Lowell Observatory is most famous for its discovery of Pluto in 1930, and it has been a cornerstone of Flagstaff’s identity since its construction in 1894. The dome of the Clark Refractor is made of ...

This month, the U.S. Naval Observatory’s Flagstaff Station will celebrate the 50th anniversary of its establishment as the USNO’s dark-sky observing site. This milestone will be marked by a public ...

FLAGSTAFF — FLAGSTAFF, Ariz. (AP) -- Lowell Observatory in Flagstaff is close to opening a new open-deck observatory, a movable-roof facility featuring six telescopes for use by researchers and the ...

HOPE O'BRIEN Cronkite News Feb 26, 2022 Feb 26, 2022 Updated Apr 3, 2022 FLAGSTAFF -- Clyde Tombaugh sat in the Orpheum Theater that fateful night in February 1930, waiting for clouds to pass before ...

PHOENIX — Lowell Observatory in Flagstaff is set to reopen for general admission on Nov. 15 after a 20-month period where the facility was either closed or offered limited programming due to the COVID ...

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 confirm ...