“The New Horizons images and data surprised scientists by showing both Pluto and Charon to be complex bodies despite their small size and cold temperatures,” NASA said. Pluto may not be a full ...

Pluto has a mass of 1.3 x 10 22 kilograms and ... Thus, they can act as a cold trap for organic molecules such as methane, which can result in that red color. It's no surprise that there's a ...

Pluto, considered the ninth planet in our solar system until it was reclassified to dwarf planet status in 2006, is thought to have undergone an impact that broke off the largest of its five moons ...

Since New Horizons' close encounter with Pluto 10 years ago, experts have come to think of the dwarf planet as much more scientifically valuable. Rather than a cold, featureless ball on the ...