Saturn reigns supreme when it comes to the number of moons orbiting any solar system planet. Including the 128 ...

Far from the Sun’s heat, orbiting the outer planets of the solar system, are moons with oceans of liquid water beneath their frozen surfaces. Keith Cooper finds out how planetary scientists are ...

Small icy moons in the outer reaches of our solar system may hide boiling oceans underneath their surfaces, a new study finds. Previous research found that some of the icy moons in the outer solar ...

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...

Several small worlds beyond Jupiter are not just frozen rubble. Beneath their shining skins, many hide oceans of liquid water. New research says those seas do not always stay calm. When the ice lids ...

some research has suggested that the ancient Earth may have had rings as well. However, even some dwarf planets and asteroids have rings, but none of the roughly 300 moons in the solar system have ...

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...

A clear night often pulls our eyes skyward. Many wonder what worlds shine beyond our own Moon. Scientists now highlight eight stunning moons that reshape our view of the Solar System. Each moon holds ...

203 When you open Planet Moons, you will see the number of moons present on major planets and paraplanets. 'Mercury (closer to the Sun than the Earth Mercury)' and 'Venus ( Venus does not have a ...