Caption This image, taken by the NASA/ESA Hubble Space Telescope, shows five moons orbiting the distant, icy dwarf planet Pluto. The green circle marks the newly discovered moon, designated S/2012 ...

Pluto was identified in 1930, but by 1994, it was still little more than a blurry pixelated smudge on astronomers’ screens.

Before New Horizons, the best images of Pluto revealed nothing more than a few light and dark patches. The best Hubble Telescope images were only 150 pixels across. The new pictures show much more ...

Two NASA spacecraft have teamed up to capture direct images of Uranus. The Hubble Space Telescope and the New Horizons Pluto ...

In 2012, scientists announced that they had discovered a fifth moon around Pluto. They used Hubble to find the latest, and tiniest member of Pluto's moon menagerie that is only between 10 and 25 ...

In 2012, scientists announced that they had discovered a fifth moon around Pluto. They used Hubble to find the latest, and tiniest member of Pluto's moon menagerie that is only between 10 and 25 ...

Pluto Haze| This image of haze layers above Pluto limb was taken by NASA New Horizons spacecraft. About 20 haze layers are ...