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.

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics. Two new moons have been discovered ...

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 ...

Earth’s moon is visible most nights and is one of the few astronomical objects we can comfortably see without a telescope. But our solar system is full of more interesting moons and many even have ...

In a landmark observation by a team of international researchers, NASA's Juno spacecraft has, for the first time, clearly detected the auroras of Jupiter's moon Callisto. This discovery completes the ...

Jupiter will be shining bright throughout this month, with its best showing coming when it reaches opposition on June 10, according to AccuWeather. Opposition occurs when Earth is completely aligned ...

Jupiter hosts the brightest and most spectacular auroras in the solar system. Near its poles, these shimmering lights offer a glimpse into how the planet interacts with the solar wind and moons swept ...

The original version of this story appeared in Quanta Magazine. Scott Bolton’s first encounter with Io took place in the summer of 1980, right after he graduated from college and started a job at NASA ...

A celestial leap is set to take place over two nights as the moon and Jupiter will appear to dance near to each other in the night sky. The crescent moon will appear "wafer thin" through the night of ...

Turn your eyes to the east in the early morning hours of Sept. 16 to see the moon conspire with Jupiter and the bright stars of the Gemini constellation to create a lopsided rectangular formation in ...