The planet, known as Quaoar, is one of 3,000 small planets found that far out, and scientists believe it may actually be a ringed planet, despite evidence that a ring shouldn’t be possible at ...

The ringed giant's moons also vary considerably in size. The largest, Titan, is bigger than the planet Mercury, while the smallest is no larger than a sports arena, according to NASA. Seven of ...

New research suggests that as Mimas' orbit around Saturn became less flattened, or less "eccentric" due to the ringed planet's pull, its icy shell melted and thinned. This would have created a ...

Saturn is also the 'windiest' planet, with atmospheric winds of up to 1600 kilometres per hour, much stronger than in the atmosphere of Jupiter. Saturn is composed mainly of hydrogen and helium. The ...