This week, we got a different moon—the Artemis moon. The moon captured by America’s first mission there in generations is not ...

A new study reveals how Jupiter’s powerful magnetic field helped its moons survive, while Saturn lost most of its large moons ...

Jupiter and Saturn may seem similar as gas giants, yet their vastly different moon systems reveal a deeper story shaped by ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's impression of a habitable exomoon. (NASA GSFC/Jay Friedlander and Britt Griswold) Planets drifting unmoored through ...

Many of the most interesting bodies in our Solar System aren’t planets, but the moons that orbit them. They have active volcanoes, hydrocarbon oceans, geysers, and moon-wide oceans buried under icy ...

Titan is the largest of Saturn’s 292 known moons, by far. It’s also the only other cosmic body apart from Earth confirmed to ...

The internet has been abuzz with the possibility of sky watchers seeing a “smiley face” in the eastern sky above the horizon on Friday morning before dawn. Just so you know, some of the graphics used ...

What is the difference between a moon and a planet? Trick question! According to scientific definitions, there often isn’t much of a difference at all. That might seem counterintuitive, but it’s true.