Jupiter is the king of moons. With 95 of them orbiting the gas giant, some are so large they rival planets in size. But what ...

Jupiter is the king of moons. With 95 of them orbiting the gas giant, some are so large they rival planets in size. But what would it actually be like to live on one of these moons? Let’s imagine ...

The moon greets Jupiter two days ahead of its full moon phase on Feb. 1.

A new finding of ammonia on the icy surface of Jupiter's moon Europa could have important implications for the search for extraterrestrial life.

Jupiter's four Galilean moons will line up in front of Jupiter in the early morning sky on Aug. 8. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...

Add Yahoo as a preferred source to see more of our stories on Google. It's a world home to gigantic storms bigger than Australia, 100-mph winds pummeling its northern reaches and a rocky moon riddled ...

A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. We already know a decent amount about how planets form, but moon ...