Astronaut and Jupiter mom Kellie Gerardi is training for her second trip to space in 2026. Here's how it compares with her first voyage in 2023.

Kellie Gerardi of Jupiter, is her own kind of astronaut, one who marries science and sparkle and who wants to show other ...

A huge haul of 128 newfound satellites might be a hint of past collisions in the planet’s orbit, or something else.

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

The public is enamored of images returned to Earth by space probes. Whether they show the moons of Jupiter, the rings of ...

New evidence from an old NASA mission supports the theory that Jupiter's moon Callisto is in fact an ocean world. Credit: NASA / JPL / DLR A moon of Jupiter about the size of Mercury likely has a ...

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

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

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

The spacecraft is currently on its way to orbit Jupiter and investigate the planet's three ocean-bearing icy moons—Ganymede, Callisto and Europa—with a suite of remote sensing, geophysical and ...

NASA's Europa Clipper will fly past Mars today to adjust its trajectory and position itself for a critical phase of its ...

In late January this year, NASA’s Psyche spacecraft turned its cameras to the sky and captured some incredible images. The ...