I know you’ve seen it: that super-bright star beaming in the southeast sky as soon as darkness sets in. Except that’s no star; it’s Jupiter, the big guy of our solar system.

Jupiter’s four largest moons can’t be on just one side of the planet, but several times per year, some can be in front while others behind.

The four largest moons of Jupiter - Io, Europa, Ganymede, and Callisto - have newly discovered auroras that can be seen in visible light.

One of the great natural wonders of the world are the Northern Lights, but aurorae aren't just limited to Earth -- they are on other planets and moons as well.

From left, Europa, Callisto and Io, three of the four largest moons of Jupiter, and their shadows crossing the red giant in an image captured by the Hubble Space Telescope in 2015. NASA Goddard ...

Skywatchers may even be able to spot Jupiter’s four largest moons and the banded clouds that surround the planet by using binoculars or a small telescope, according to NASA.

How many moons does Jupiter have? Scientists have discovered dozens of them, but the answer may be more complicated than it seems.

Jupiter and its largest moons will be visible with binoculars this month, most easily on June 10 when the planet reaches its “opposition.” ...

Jupiter and its four largest moons will be visible in the sky early Wednesday morning, assuming skygazers are blessed with suitably clear skies. When Jupiter rises at around 3 a.m. ET on June 14 ...

Four Largest Moons of Jupiter Jupiter’s Galilean moons, including Ganymede, Callisto, Io, and Europa, stand out for their distinct characteristics. From volcanic Io to icy Europa, these moons ...

As a newborn planet, Jupiter glowed brightly in the sky and outshined today’s sun from the perspective of the gas giant’s largest moons. That early radiance—and upcoming visits by multiple ...

Jupiter's moon Ganymede was hit by an asteroid about 4 billion years ago that was so large the moon's axis shifted as a result, study finds.