A crescent Moon passing in front of our solar system’s largest planet is a rare and brilliant sight. Here's how to see it for ...

We already know a decent amount about how planets form, but moon formation is another process entirely, and one we're not as familiar with. Scientists think they understand how the most important moon ...

Southwest Research Institute was part of an international team that demonstrated how complex organic molecules (COMs), key chemical precursors to life, could have been incorporated into Jupiter's ...

In 1610, Galileo Galilei pointed his telescope at Jupiter and saw something no human had ever observed before: four objects moving around the planet. They would become known as Io, Europa, Ganymede, ...

The Moon passes 5° north of Jupiter at 9 A.M. EDT. Just six percent illuminated by this evening, you can try to spot the young crescent Moon hanging above the gas giant in the western sky after sunset ...

Even in a backyard telescope, the four largest moons of Jupiter are big enough to be seen as little specks of light. And while humans have known about these “Galilean satellites” for centuries, there ...

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.