A new study suggests Ganymede—our neighborhood's biggest moon—still has a hot, churning core cranking out its unique magnetic ...

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Jupiter’s Ganymede — has a unique and inexplicable magnetic field. New research could finally explain it: the moon is heating up.

The moon pairs up with brilliant Venus in the western evening sky right after sunset on Monday night. In April, NASA's ...

As NASA's Juno flew around Jupiter last week, the spacecraft snapped a photo of an object before it could make a clean getaway. That clunky, bumpy thing at the far right edge of the frame is Thebe, ...

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.

If you have binoculars, you may even spot some of Jupiter’s largest moons as tiny pinpoints beside the planet NICHOLAS KAMM/AFP via Getty A waxing crescent moon and Jupiter will appear close together ...

A half moon passes close to Jupiter on April 22, creating a striking scene. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. On Wednesday evening ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Skywatchers who look high in the western sky after dark on ...

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 ...

The two largest planets in our solar system, Jupiter and Saturn, also have the largest satellite systems, or the most moons. At present, Jupiter's reported moon count stands at more than 100 moons, ...