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

Using NASA New Horizons spacecraft data and digital elevation models of Pluto and its largest moon Charon, mission scientists created this flyover movie.

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 ...

Amanda Kooser covers the quirky side of science and space. Pluto has five moons, but Charon stands out from the rest. Charon is half the size of Pluto, “making it the largest known moon relative ...

Pluto may have got romantic to capture its largest moon, colliding and engaging in a passionate but icy 10 hour kiss with Charon billions of years ago. When you purchase through links on our site ...

other Pluto fans thought it was pretty cool to be the first and defining member of a whole new category.

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