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 ...

FLAGSTAFF – Clyde Tombaugh sat in the Orpheum Theater that fateful night in February 1930, waiting for clouds to pass before the 24-year-old astronomer could return to Lowell Observatory to confirm ...

The centennial anniversary of Pluto’s discovery is on the horizon, and the I Heart Pluto Festival is ramping up excitement in the meantime. Hosted right here in Flagstaff—a.k.a. “Pluto Town ...

After passing in the state senate, a new bill that would officially designate Pluto as Arizona's state planet is now at the will of Gov. Katie Hobbs. Since its discovery in Flagstaff, Pluto has become ...

“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, ...

February 18 marks the 93rd anniversary of Pluto’s discovery in northern Arizona. To celebrate, Lowell Observatory is partnering with other Flagstaff organizations in hosting the Fourth Annual I Heart ...

FLAGSTAFF, AZ (3TV/CBS 5) — While it’s classified as a dwarf planet, a new Arizona bill would make Pulto our new state planet. This weekend will mark the 94th anniversary of the discovery of Pluto at ...

What was discovered in Flagstaff, Arizona, and killed off in Prague? If you answered "Pluto's planethood," your grasp of the astronomical is excellent. Feb. 18 marks the 95th anniversary of the ...

Looking Up is transcribed using a combination of AI speech recognition and human editors. It may contain errors. Please check the corresponding audio before quoting in print. Dean Regas: Back in ...

The historic Lowell Observatory announced this week that it will drastically reduce internally funded research and shrink its ...

Flagstaff has a long and colorful association with astronomy and space exploration. One notable mention is the discovery of Pluto from the Lowell Observatory by Percival Lowell in 1894. And in the ...

(Correction: An earlier version of this story misstated how far Pluto is from the sun. The correct number is 3.7 billion miles.) What was discovered in Flagstaff, Arizona, and killed off in Prague? If ...