A new study reveals the likely origin of a mysterious spider-like pattern first spotted on Jupiter's moon Europa in 1998. The ...

NASA's Juno spacecraft has snuck a peek at one of Jupiter's largest inner moons. During a close flyby, the spacecraft got a look at Jupiter's moon Thebe from just 3,100 miles (5,000 kilometers) away.

Add Yahoo as a preferred source to see more of our stories on Google. Heads up, sky watchers and star gazers! April's full moon is still just over a week away, but there will be a very bright planet ...

What if Jupiter’s 79 moons weren’t gravitationally bound to Jupiter? What if they became rogue objects orbiting on their own paths around the Sun? Would they still be moons or something completely ...

The European Space Agency's (ESA's) Jupiter Icy Moons Explorer (JUICE) probe is on its (very long) way to Jupiter, and will finally arrive at the King of Planets in 2031. Its primary mission is to ...

You’ll want eyes on Jupiter this evening as Europa passes north of Callisto while Ganymede’s large shadow transits the gas giant’s cloud tops. Start observing by 11 P.M. EDT, as the bright planet ...

Young Jupiter’s powerful magnetic field may have created a safe zone where several large moons could survive. Saturn lacked this protection, possibly explaining why Titan stands almost alone among its ...

Another day, another show in the sky! If you look up after dark on Wednesday, April 22, you’ll catch a charming moment in the cosmos, no telescope required: a glowing waxing crescent moon hanging near ...

Europa’s hidden ocean has made the icy moon one of the solar system’s most promising places to search for habitable conditions. Scientists have hoped that water from this deep ocean might rise through ...