The intrigue of our solar system deepens with the discovery of two new moons of Neptune, with one claiming the title of the faintest ever discovered by ground-based telescopes. The brighter of the ...

Astronomers have found three previously unknown moons in our solar system — two additional moons circling Neptune and one around Uranus. The distant tiny moons were spotted using powerful land ...

The gas planets are Jupiter, Saturn, Uranus and Neptune. They are the furthest planets from the Sun. They each have many moons. They are much bigger than the rocky planets. They're balls of ...