Sky This Week is brought to you in part by Celestron. Friday, May 9Asteroid 9 Metis reaches at opposition at 2 A.M. EDT in ...

Recommended Videos “With good binoculars, the banding (at least the central band) and three or four of the Galilean satellites (moons) should be visible,” said Adam Kobelski, a research ...

Saturn, Jupiter’s outer neighbour, currently has 83 known satellites. The four larger moons mentioned above, also known as the 'Galilean moons', account for 99.997 percent of the total mass of Jupiter ...

On the fiery Io, the innermost and third-largest of Jupiter’s four Galilean moons, Juno's observations have provided more insights about its incessant volcanic activity. It's a world home to ...