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 ...

The most massive of the moons are the four Galilean moons ... The Galilean moons are by far the largest and most massive objects to orbit Jupiter, with the remaining 75 known moons and the rings ...

These pinpricks of light are actually Jupiter's four largest moons, now known as the Galilean moons: Io, Europa, Ganymede, and Callisto. Many of these celestial orbs are as remarkable as Jupiter ...

"Io is simply littered with volcanoes, and we caught a few of them in action." The four biggest moons of Jupiter aren't just blurry smudges in Galileo's telescope anymore. The Italian astronomer ...

The four largest moons, Ganymede, Io, Europa, and Callisto, are called the Galilean moons because Galileo first saw them in 1610. Jupiter has a “pizza moon.” Sulfur-spewing volcanoes cover the ...

The makeup of the four largest moons of Uranus, according to the study. (Image credit: NASA/JPL-Caltech) Based on re-analysis of data from the Voyager spacecraft and new computer modelling ...

Since 2016, the NASA mission has captured some awe-inspiring views of alien worlds and promising venues for alien life.

A photograph taken with a Nikon Z 8 camera and shared online in April 2024 shows an authentic close-up view of Jupiter.

Mercury-sized Callisto is the largest moon to show very few properties of what we'd call "differentiation" between its layers. The most distant of the four Galilean moons around Jupiter ...

Mar. 5, 2024 — NASA's Juno spacecraft has directly measured charged oxygen and hydrogen molecules from the atmosphere of one of Jupiter's largest moons, Europa. These observations provide key ...

The four biggest moons of Jupiter aren't just blurry smudges in Galileo's telescope anymore. The Italian astronomer Galileo Galilei discovered Ganymede, Callisto, Europa and Io back in 1610 ...

Jupiter has four large moons – Io, Europa, Ganymede and Callisto – with ... in 1892 using the 38-inch telescope of the Lick Observatory in California – the largest telescope in the world at the time.