What planet has the largest number of moons?

Jupiter has the largest number of moons in our solar system. As of now, scientists have confirmed over 90 moons orbiting the planet. The four biggest ones—Io, Europa, Ganymede, and Callisto—are called the Galilean moons, discovered by Galileo Galilei in 1610. Each moon is unique: Ganymede is the largest moon in the solar system, Europa may have an ocean under its icy surface, and Io is covered in active volcanoes. These moons are important for studying how planets and their satellites formed and might even hold clues about possible life.