Summer 2015 was marked by a unique astronomical event, which occurs approximately once in ... the history of astronomy. The ...

CNBC's Diana Olick joins 'Squawk Box' to discuss the state of the spring housing market. Videos capture the moment a ...

Pluto was discovered at Lowell Observatory in Flagstaff in 1930. Planet X, as it was called, was quickly renamed Pluto, the ...

Pluto was discovered in 1930 in Arizona, but in 2006 scientists decided to cut Pluto from the planetary line up. Here is why ...