Whether Pluto is officially a planet is the least interesting thing about the runt of the solar system, astronomers will tell you 95 years after the discovery of the fascinating and sometimes ...

Pluto is probably best known for being a demoted planet. In 2006, the International Astronomical Union stripped it of its ...

Pluto is too far away from Earth to be seen with the naked eye. If you stood on Pluto's surface, the Sun would merely appear to be a very bright star. Although previous images showed that ...

In 1846, Neptune, the fourth of the giant planets beyond the asteroid belt, was discovered—thirty times farther from the Sun than our Earth ... other Pluto fans thought it was pretty cool ...

If a person with a mass of 55kg was to travel to Jupiter or Pluto, the effects of gravity would be very different from those on Earth. Gravity is the pull that a planet exerts towards its centre.

Images) Researchers studying Pluto and Charon have long drawn a parallel to how Earth got its moon. The prevailing thought is that a Mars-sized body collided with Earth around 4.5 billion years ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...