full advantage of a flyby of the icy dwarf planet Tuesday with astronomy-themed face painting, an extra Pluto presentation and a live NASA stream that will tell the world whether the mission was ...

Pluto may no longer be classified as a planet, but in Flagstaff, its legacy still shines. Scientists, artists and community ...

What to know about Pluto, Arizona's official state planet Pluto was discovered at Lowell Observatory in Flagstaff in 1930. Planet X, as it was called, was quickly renamed Pluto, the Roman god of the ...

PHOENIX – The Pluto Discovery Telescope at Lowell Observatory has reopened for the first time in a year after undergoing renovations. The telescope in Flagstaff was made famous on Feb. 18, 1930 when ...

Pluto will complete its first orbit since 1930 in 2178, a historic 248-year space journey that spans generations of humans.

With only days to go before NASA’s New Horizons spacecraft makes its closest pass of Pluto on Tuesday, Lowell Observatory astronomers have confirmed some good news: The icy body still has an ...

“Star Trek” has inspired generations of scientists and space explorers, and one of its most enduring characters is Mr. Spock, played by the late Leonard Nimoy. Mr. Spock, a half-human, half-Vulcan, ...

Ammon News - On this day 1930, using a 13-inch (33-cm) telescope at the Lowell Observatory in Flagstaff, Arizona, Clyde W. Tombaugh, a 24-year-old American with no formal training in astronomy, ...