SpaceSaturn's moon Enceladus is having a snowball fight with other moons Three of Saturn’s icy moons are twice as shiny as we thought they were, and it’s partly because they are covered in a deep layer of snow from Enceladus’ geysers News
SpaceThe moon may be made of magma that once covered Earth’s entire surface The moon’s makeup is extremely similar to Earth’s - perhaps because a huge rock smashed into a magma-covered Earth, splashing out the material to make the moon News