(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?

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 controversy endures over Pluto's true status ... Kansas where he spent his days working the earth. At just 23 years old, Tombaugh sent his drawings, unsolicited, to several institutions ...

There are eight planets in our solar system – plus poor old Pluto, which was demoted in 2006 – but what if there were more? Turns out that might be the case. Astronomers have calculated there ...

Gender: Male Age: 1 year 7 months Weight: 51 pounds Species: Dog Breed: Rhodesian Ridgeback – Brown Orphaned Since: April 9 ...

Pluto was discovered at Lowell Observatory in Flagstaff, Arizona in 1930 and was considered our ninth planet until 2006. The International Astronomical Union reclassified Pluto as a dwarf planet ...

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 ...

Meet Pluto, a young male mixed breed with hound dog heritage. At just 2-3 months old, this short-coated pup has his whole ...