When Lowell died in 1916, so did the search for Planet X — until V.M. Slipher decided in 1927 that it was time to redeem the observatory's namesake.

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-19 ...

The Lowell Observatory in Flagstaff, Arizona is full of stars, and not just the kind you’d imagine. Since its establishment in 1894, the observatory has grown steadily and expanded its ...

The land on a mesa overlooking downtown Flagstaff would provide Lowell room to grow, but according to the 1910 congressional restriction, could only be used for "observatory purposes," the Arizona ...

Lowell welcomed more than 100,000 visitors last year. The new three-story visitor center and an adjacent parking lot will increase the observatory's capacity to 250,000 guests per year.

Lowell Observatory researchers were among the authors of a report on the conditions of circumstellar disks that was presented at a meeting of the American Astronomical Society earlier this month.

Lowell Observatory supported the name and submitted it as the official name for the newly discovered planet. Notice, too, the first two letters of the planet’s name are Percival Lowell’s initials.

FLAGSTAFF, Ariz., March 13, 2025 /PRNewswire/ — Today, TIME recognized Lowell Observatory in its annual list of the World’s Greatest Places, which highlights 100 extraordinary destinations to ...

Dean chats with historian Kevin Schindler about Lowell Observatory's exciting new facilities coming later in 2024 and the observatory's decades long history helping visitors to connect with the ...

The observatory took a critical step toward achieving that goal on Saturday by breaking ground on a new 40,000-square-foot, $37.5 million discovery center.

Lowell Observatory continues that commitment today as an integral part of its mission. The observatory’s modest, one-room operation of the early 1990s expanded dramatically in 1994 with the ...