Jupiter and Saturn ... at the size of the particles that comprise them. “These grains are so tiny, a thousand of them put together are only a millimeter long,” NASA writes.

Unlike Jupiter with four massive moons, Saturn has only one very large moon, Titan — second only to Ganymede in size and mass. The next largest, Rhea, is smaller than our own Moon.

That’s second only to Saturn’s 83 moons in our Solar System. The below video does a cool size comparison of the many moons of Jupiter and it is quite epic.

Saturn, despite being smaller than Jupiter, appears to have many more irregular moons. It may have three times as many as Jupiter, down to about two miles in size. The reason is unclear, Dr ...

Because it's bigger, Jupiter ought to have larger, more spectacular rings than Saturn has. But new research shows Jupiter's massive moons prevent that vision from lighting up the night sky.

Saturn, despite being smaller than Jupiter, appears to have many more irregular moons. It may have three times as many as Jupiter, down to about two miles in size. The reason is unclear, Ashton said.

Sheppard told the Associated Press that Jupiter's newly discovered moons range in size from 0.6 miles to two miles in diameter and that only half of them are big enough—at least one mile in ...

Jupiter is already the biggest planet in our solar system. It used to be known as the planet with the second-most moons with 80, trailing only Saturn with 83.

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The International Astronomical Union officially recognized 128 new moons orbiting ...