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

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.

At the Lowell Observatory, visitors can conjure their inner astronomer by peering through world-class telescopes and sitting in on lectures on topics like black holes and the history of Pluto.

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.

The 95th anniversary of Pluto's official discovery by Clyde Tombaugh at the Lowell Observatory in Flagstaff, Arizona is rapidly approaching and the historic location is gearing up to host a grand ...

Pluto had been found. “All observations indicate the object to be the one which Lowell saw mathematically,” said the observatory in a statement. Clyde Tombaugh, a 24 year old student and the ...

Pluto was discovered in 1930 by American astronomer, Clyde Tombaugh, the Lowell Observatory said. Here's a look at Pluto's history. Pluto was discovered in 1930 by Clyde Tombaugh, an American ...

Since its founding in 1894, Lowell Observatory in Flagstaff has been a beacon of astronomical discovery, its scientists famously identifying Pluto and revealing the expanding universe. Now ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short life of what was, for a single human lifetime, the solar system's smallest ...

Astronomer Percival Lowell founded his Arizona ... be sure to visit during the annual I Heart Pluto Festival, which started in 2020.) Last fall the observatory expanded to welcome visitors in ...