An annual event over recent years, the I Heart Pluto Festival in Flagstaff, Arizona, celebrates the history, heritage, and cutting-edge astronomy at Lowell Observatory. On Feb. 18, 1930, the young ...

Pluto fans at Lowell’s "I Heart Pluto" event in 2023. (Image credit: Abe Snider / Lowell Observatory) Stargazers getting ...

Lowell Observatory Director Jeffrey Hall was amazed by the images of Pluto released Wednesday — and bowled over by the announcement that the planet’s largest heart-shaped region would be named ...

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, ...

Lowell Observatory is ranked #2 ... by peering through world-class telescopes and sitting in on lectures on topics like black holes and the history of Pluto. This observatory was founded in 1894 ...

Pluto was discovered in 1930 by Clyde Tombaugh, an American astronomer at the Lowell Observatory in Flagstaff. Cold, dark and distant, it was named after the Roman god of the underworld . In Greek ...

Pluto was discovered in 1930 by Clyde Tombaugh, an American astronomer at the Lowell Observatory in Flagstaff, Arizona. Cold, dark and distant, it was named after the Roman god of the underworld .

Find out why The Lowell Observatory is on TIME’s list of the World’s Greatest Places 2025. ... be sure to visit during the annual I Heart Pluto Festival, which started in 2020.) ...

Pluto was the little planet that could — until it couldn’t. Discovered in 1930 at Lowell Observatory in Flagstaff, Arizona, Pluto was hailed as the ninth planet in our solar system.. For ...

Pluto was discovered 95 years ago. ... This Feb. 18 marks 95 years since the Lowell Observatory hit paydirt, an achievement made not by one of the observatory’s professional astronomers, ...

The observatory in Flagstaff, AZ where Pluto was discovered in 1930. (Image credit: Lowell Observatory) "Lowell wanted to learn more about the planets and started coming under the belief that ...