Wondering what there is to love about Jupiter? The Jovian giant has many reasons that are worthy of your affection, whether ...

Earlier this week, Saturn gained a whopping 128 new official moons, as the International Astronomical Union recognised ...

Plus: Observe two stunning spirals, see Venus reappear as a morning star, and enjoy the Last Quarter Moon in the sky this ...

Saturn surpasses Jupiter with 128 newly discovered moons, becoming the planet with the most moons in our solar system.

But it hasn't always been this way. Jupiter's four largest moons - Io, Europa, Ganymede and Callisto - were the first ever discovered orbiting another planet. They were spotted by Galileo Galilei more ...

If there was a contest for the most interesting moon in our solar system, Callisto would ... NASA's Europa Clipper mission set sail last year and should reach Jupiter and its moons in 2030 ...

March's full moon, known as the Worm Moon, will bring a stunning total lunar eclipse, turning the Moon a deep reddish hue in ...

How old is Jupiter? Like all of the planets of ... called the Galilean satellites, are named Ganymede, Europa, Io, and Callisto. These four moons are called the Galilean satellites because they ...

JUPITER'S satellite Io has remarkable control of Jovian decametric radio emission (recently reviewed 1,2) and also a very high and possibly varying albedo 3,4.