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.

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 ...

There’s no mistaking Jupiter in the sky these winter evenings, rising in the southeast as evening twilight ends. In fact, you should be able to easily see it long before twilight fades. Jupiter is by ...