A Small World in the Outer Solar System Might Be Forming Rings

Astronomers found evidence of three rings around Chiron, which orbits the Sun between Uranus and Saturn.

Mysterious Rings Around Space Rock Might Be Carved by a Secret Moon

Scientists have discovered that a pair of rings circling an asteroid-like chunk of rock in the cold reaches of space out past Jupiter are likely being shepherded by a tiny, unseen moonlet.