Pluto was once considered one of the solar system’s planets but was later downgraded to the status of ‘dwarf’ planet after several more similarly sized objects were discovered throughout our solar ...

CAPE CANAVERAL, Fla. -- Little Pluto is a little bigger than anyone imagined. On the eve of NASA's historic flyby of Pluto, scientists announced the New Horizons spacecraft has nailed the size of the ...

In 2006, Pluto was demoted from planet to “dwarf planet”-a reclassification that satisfied astronomers who felt its mass was too small to be a true planet. However, many people who grew up including ...

Now that NASA has caught up with Pluto through its New Horizons spacecraft, scientists will be looking to find out more about the dwarf planet. The categorisation of a planet is something that has ...

COLUMBUS, Ga. (WRBL) – Each year on Feb. 18, a whole day is dedicated to the former planet Pluto. Pluto was once the ninth planet in the solar system, but striped of that title back in 2006. Now ...

NASA ’s New Horizon’s probe reached Pluto today. In honor of its arrival, here are nine facts about the former ninth planet. In 2006, the New Horizons probe was launched (Pluto was still considered a ...

Pluto and Charon, the largest of Pluto's five known moons, were seen Jan. 27, 2015, by the telescopic Long-Range Reconnaissance Imager (LORRI) on NASA's New Horizons spacecraft. (NASA/Johns Hopkins ...

This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

Forbes contributors publish independent expert analyses and insights. Kevin Anderton, Kansas City-based science reporter and graphic artist. Since July 2015, NASA's New Horizons space probe has been ...