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.

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

Americans will have to stay up late or get up really early this week to see the latest celestial event – a total lunar eclipse. The Sun, Earth, and Blood Moon will align on Thursday night and Friday ...

Astronomers have discovered a panoply of new moons orbiting Saturn, bringing the ringed gas giant's total up to 274 moons—far ...

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

NASA has explained what a lunar eclipse is, where and how to watch it, what stages to expect, and the scientific reason ...

Lucy is preparing for a close encounter with the asteroid Donaldjohanson, a key milestone before its groundbreaking journey ...

Saturn has decisively claimed the crown. With the discovery of 128 new moons, the ringed planet’s total count has soared to 274 — nearly twice as many as all other planets combined. Jupiter now trails ...

VIAVI Solutions announced its contribution to NASA’s Spectro-Photometer for the History of the Universe, Epoch of ...

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

The smashups are thought to have occurred at least 100 million years ago, but the moons they created are new to astronomers.