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’s moons have been the subject of a lot of astronomical attention over the years. They range in size from the planet-sized Titan, which is larger than Mercury, to tiny pot

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,