SpaceJupiter’s moon Europa may have a belt of 15-metre-tall ice spikes Landing on Jupiter’s moon Europa will be even harder than we thought due to a forbidding belt of huge ice spikes that could trap or incapacitate a spacecraft News
SpaceWhy Saturn's inner moons look like ravioli, cigars and potatoes The small moons that orbit in Saturn’s rings have a range of odd shapes, all of which may have come from smaller moonlets crashing into one another and merging News