SpaceThe rings of Uranus are even stranger than we thought Uranus’s outermost two rings are surprisingly dissimilar, which opens up a mystery about the tiny moons and moonlets that form them 51¶¯Âþ
SpaceSaturn gains 128 moons, giving it more than the other planets combined Saturn has dozens of new moons, bringing it to a total of 274. All of the new moons are between 2 and 4 kilometres wide, but at what point is a rock too small to be a moon? 51¶¯Âþ