"Rings are mostly made of ice and small rocks," said William Saunders, a planetary scientist at NASA's Langley Research ...

So which planets in our solar system have rings? All four giant planets — Jupiter, Saturn, Uranus and Neptune — sport these ...

Saturn is the sixth planet from the sun and the second-largest planet in the solar system. Known for its stunning rings, Saturn is a gas giant made mostly of hydrogen and helium. This iconic ...

Brazilian astronomers discovered the existence of a ring around a dwarf planet near Pluto, similar to those of the giant Saturn.Alexandre Crispim/UTFPR In partnership with an international team ...