The moon greets Jupiter two days ahead of its full moon phase on Feb. 1.

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...

There’s no mistaking Jupiter in the sky these Butler winter evenings, rising in the southeast as evening twilight ends. In ...

Jupiter's moon count reaches 95+ official satellites. Explore the history of the Jovian system, from Galileo to the latest NASA discoveries.

In a landmark observation by a team of international researchers, NASA's Juno spacecraft has, for the first time, clearly detected the auroras of Jupiter's moon Callisto. This discovery completes the ...

Looking for a sky event this week? Check out our full Sky This Week column. January 29: Open cluster M50 The Moon passes 4° north of Jupiter at 9 P.M. EST. The pair shares the central regions of ...

Jupiter stands high in the sky early this morning, ripe for viewing as two of its four Galilean moons chase their shadows across the cloud tops. By 6 A.M. EDT, the gas giant stands nearly 60° high in ...

The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up next to the "King of the Planets" as it voyages through the stars of the constellation Gemini.

What exists beneath the surface of Jupiter's icy moon, Callisto? This is what a recent study accepted by The Planetary Science Journal hopes to address as a team of researchers investigated the ...

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...

Yes, even Jupiter's moons produce auroras. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In a landmark observation by a team of international ...