Pluto is so far away from Earth that everything we know about it can be written down on a couple of 3 x 5 inch index cards. But Pluto will come into clearer focus in a few years' time, though, as NASA ...

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 ...

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 ...

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 ...

PLUTO was once considered the ninth and most distant planet from the sun but is now the largest known dwarf planet in the solar system. But how big is Pluto and how far is it from Earth? Pluto is the ...

Pluto used to be a distant, mysterious point of light. But this week, NASA’s New Horizons spacecraft is quickly turning it into a fascinating new world. Scientists have only seen a handful of the ...

This image, taken by NASA's Hubble Space Telescope, shows five moons orbiting the distant, icy dwarf planet Pluto. The green circle marks the newly discovered moon, designated P5, as photographed by ...

An artist's interpretation of Pluto, which shows Charon on the right hand side Nasa, ESA and G Bacon (STScI) Nasa's New Horizons mission will begin its flyby of Pluto in January after waking up from ...

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 ...