When a celestial body, such as a moon, planet or an asteroid passes in front of another celestial body and blocks its view (in this case, Saturn), it is called an occultation. The word is derived ...

Saturn, Uranus and Neptune - that is thought to have happened at the time. The object that struck the moon is estimated to have been about 15 miles (25 km) in diameter, larger than the asteroid ...

Many are pushing for a mission to collect rocks and dirt from the potentially waterlogged dwarf planet Ceres in the main asteroid belt. Jupiter's moon, Europa, and Saturn's moon, Enceladus ...