Jupiter’s moons hide giant subsurface oceans. This article was originally featured on The Conversation. On Oct. 14, 2024, NASA launched a robotic spacecraft named Europa Clipper to Jupiter’s ...

The icy surface of Jupiter 's moon Europa appears to be constantly changing, new data from the James Webb Space Telescope has revealed. This phenomena, the team explained, is heightened in so-called ...

Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about ...

One of Jupiter’s 95 known moons, Europa is almost the size of our own moon. It's encased in an ice sheet estimated to be 10 miles to 15 miles or more thick.

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

Observations made of Jupiter’s moon Io during the Juno mission’s flybys helped astronomers confirm how and why Io became the most volcanic world in the solar system.

It is expected to reach Jupiter in April 2030 to study Europa, the icy-surfaced moon, which is roughly the size of Earth’s moon and thought to have “ingredients for life,” such as water ...

Each of Jupiter's other 91 official moons has a diameter greater than 0.6 mile (1 kilometer) — but only 57 have names, and just eight have regular, nearly round orbits.