Add Yahoo as a preferred source to see more of our stories on Google. an illustration of the planet saturn as seen from one of its many moons two other smaller moons are in the distance The moons were ...

Our solar system has two ice giants, Uranus and Neptune, but there may have been a third. According to a new study published ...

New Delhi: Saturn just pulled off something that sounds unreal. Scientists have now confirmed that the ringed planet has a total of 285 moons, after spotting a fresh batch of small, faint ones. We ...

What is the difference between a moon and a planet? Trick question! According to scientific definitions, there often isn’t much of a difference at all. That might seem counterintuitive, but it’s true.

Experts say a calendrical Blue Moon is relatively rare because the moon’s phases last about 29 ½ days, while most months have ...

Neptune’s third-largest moon, Nereid, could be an intact survivor from the planet’s original satellite system, upending ...

A study suggests that the ice giant's largest moon, Triton, made a dramatic entrance to the Neptunian system long ago, ...