If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's ...

Europa, one of Jupiter’s intriguing moons, is hiding an ocean beneath its icy shell — an ocean that might harbor alien life.

Believe it or not, that is actually hotter than even the surface of the Sun. Curious to be sure, but there may be a reason for that, as we’ll find out later. Can you walk on Jupiter? In short ...

Europa is the sixth largest satellite in our Solar System and the smallest of Jupiter’s four Galilean moons. Discovered by ...

Using data collected by NASA's Juno spacecraft as it flew past Jupiter's highly volcanic moon Io in late 2023 and again in ...

Using data collected by NASA’s Juno spacecraft as it flew past Jupiter’s highly volcanic moon Io in late 2023 and again in ...

NASA's Voyager 1 spacecraft discovered active volcanoes on Jupiter's moon Io. Before Voyager 1 flew by Io, scientists ...

Io’s long-debated magma ocean may not exist. Juno spacecraft data reveals that tidal forces deform the moon differently than ...

Pictures may enliven us, but other data, such as information about magnetic fields, add a huge amount to our understanding of ...

Saturn runs rings around Jupiter Ratification of 128 new moons put the smaller gas giant way ahead on satellite count The ...

A UVA professor is part of the study of Trojan asteroids, presumed remnants of the early solar system that share Jupiter’s ...

The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.