If I’m being honest, Pluto is difficult for an amateur astronomer to see. A standard 8-inch telescope just won’t do the trick. That’s because Pluto hasn’t been brighter than 14th magnitude since 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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Pluto was discovered 95 years ago on Feb. 18, and even though it was demoted nearly two decades ago, it remains a fascinating part ...

Pluto, discovered in 1930, was once considered the ninth planet in our solar system. In 2006, the International Astronomical Union reclassified Pluto as a dwarf planet because it doesn't meet all the ...