Don’t miss the moon’s close pass by Jupiter and Pollux this Sunday evening while the iconic constellation Orion rises in the ...

If you do check out Jupiter with a small telescope on Sunday night, you'll see all four Galilean moons, with Ganymede and Io on one side of Jupiter and Europa and Callisto on the other. The ...

Using data from NASA's Juno spacecraft, scientists have discovered that the solar system's most volcanic body is even hotter ...

Turn a telescope to the eastern sky in the hours following midnight on Nov. 5 to see two colossal shadows darken the cloud tops of the gas giant Jupiter as the Galilean moons Io and Europa pass ...

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.

IRISH stargazers are being urged to look up this weekend for “one of the most spectacular events”. Jupiter, currently the ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

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

On 9, Jupiter will appear near the Moon in the night sky, offering stargazers a stunning view and chance to observe Jupiter’s moons.

This weekend, the moon will work together with two planets to put on a sky show worth pulling out a telescope for. Jupiter and Saturn will align, with the moon appearing at a different point between ...

The universe has quasi-moons, mini-moons, and moonlets, but no official definition of what counts as a moon.

On this date, Jan. 7, 1610, astronomer Galileo Galilei, with a homemade telescope, noticed three points of light near Jupiter. Initially believing they were distant stars, Galileo’s repeated ...