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.

Turn a telescope to the eastern sky in the hours following midnight on Nov. 5 to see two colossal shadows darken the cloud ...

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's moon Io stands alone among the solar system's moons. It has more than 400 active volcanoes, and its surface is home ...

The moons were discovered by a group of astronomers from Taiwan, Canada, the United States, and France. Between 2019 and 2021, they used the Canada France Hawaii Telescope to repeatedly monitor the ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

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 ...

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 ...