Saturn and Jupiter, the two gas giants, have long vied for the title of “moon king.” Over the years, astronomers have been slowly discovering tiny moons orbiting both. These discoveries sometimes changed the ranking,

The sheer number of objects suggests scientists will soon have to grapple with what counts as a moon versus what’s just a large rock

Saturn has left its former rival in the dust with a new total of 274 moons, almost twice as many as all the other planets combined.