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 crescent moon will shine with Jupiter among the stars of Gemini early on Sept. 16. Turn your eyes to the east in the ...

The Moon passes 5° north of Jupiter at 7 A.M. EDT. Early risers can enjoy the pairing before sunrise, standing some 50° high ...

The hellish surface of a moon of Jupiter known as Io is riddled with hundreds of lava-spewing volcanoes that make the world one of chaos and violence. The brutal conditions also make Io intriguing to ...

The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up next to the "King of the Planets" as it voyages through the stars of the constellation Gemini.

In a landmark observation by a team of international researchers, NASA's Juno spacecraft has, for the first time, clearly ...

NASA's Europa Clipper probe will study Jupiter's moon Europa, which is thought to have an underground ocean and a potentially habitable environment NBC Universal, Inc. For decades, an icy moon of ...

Plus, catch Saturn and Neptune at their brightest; spy the "string of pearls" galaxy; and a close encounter of the moon and ...

The idea of spending my evenings along the river peering into the heavens sounded fun, so I added a Hestia to my pack. Here’s how it went.

This is a day-old moon from Feb. 19, 2015 low in the western sky shortly after sunset. Notice that the entire outline of the moon is faintly visible. This is caused by sunlight reflecting off the ...

Earth is the only planet in our solar system with a single moon, making it a rare phenomenon for a planet of its kind.

For decades, an icy moon of Jupiter has been considered one of the most promising places to search for extraterrestrial life in the solar system. Thought to have an underground ocean and a potentially ...