Light pollution—the needless shining of bright lights into the night sky—has robbed whole generations of the chance to see nature on its largest scale. It is estimated that as many as eighty ...

Little Pluto is so small and remote it was not discovered until 1930, orbits 40 times farther from the Sun than we do. Light from the Sun takes about 5 and 1/2 hours to reach it and roughly the ...

The result? A patchy, pixelated sphere just 12 pixels wide. Even from these images, Pluto seemed pretty intriguing. The light and dark pixels seemed to suggest geological or atmospheric activity.

Since its discovery in 1978, Pluto's largest moon ... The new findings may help shed some light on the origins of Charon and ...