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 ...

C lyde Tombaugh didn't set out to discover Pluto when he sent his sketches of the night sky to Lowell Observatory in ...

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's sixth annual "I Heart Pluto Festival" will honor the remote icy world that was reclassified as a dwarf planet in 2006 and originally found at that location on Feb. 18, 1930.

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.) ...

Lowell's sixth annual "I Heart Pluto Festival" will honor the remote icy world that was reclassified as a dwarf planet in 2006 and originally found at that location on Feb. 18, 1930.

I spent part of last week in one of my favorite places, Flagstaff, Arizona, at Lowell Observatory. ... The 13-inch Pluto Camera was used by Clyde Tombaugh in 1930 to discover Pluto.

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 .

The astronomers at Lowell Observatory in Arizona are showing Pluto some love on the 95th anniversary of its discovery, regardless of whether we call it a planet or not.