NASA’s Juno mission found Io’s biggest volcanic eruption ever. The explosion was stronger than all Earth’s power plants ...

The dwarf planet 1 Ceres is in conjunction with the Sun at 5 P.M. EST today. While this means we can't see Ceres for now, we ...

NASA officials said what Juno spotted was 'the most powerful volcanic event ever recorded on the most volcanic world in our ...

On this particular night, all four moons will be in view. Flanking Jupiter on one side, going outward from Jupiter will be Io, Europa and Callisto and Ganymede, while all by its lonesome on the ...

NASA’s Juno spacecraft has uncovered an immense volcanic hot spot on Jupiter’s moon Io, surpassing any previously recorded ...

Europa Clipper - one of the most advanced spacecraft ever sent to another planet - aims to explore Jupiter's icy moon ...

I recently saw a YouTube video by Hank Green discussing how important the Galilean moons are in our understanding of the solar system and the universe as a whole. The ...

In a celestial event known as a great alignment the five planets will be discernible with the naked eye, but to see Neptune ...

The two moons swap places around ... its shadow appears nearly centrally on the disk. Ganymede is now alone to Jupiter’s east, with Io, Callisto, and Europa clustered to the west.

Io is Jupiter's third-largest moon, spanning roughly 2,300 miles (3,700 kilometers) across, which makes it slightly bigger than Earth's moon. It orbits Jupiter at a distance of around 262,000 ...

The instrument is designed to capture the infrared light not visible to the naked eye emerging from deep inside Jupiter, as well as its moons – including not just Io, but Europa, where another ...