A new study suggests Ganymede—our neighborhood's biggest moon—still has a hot, churning core cranking out its unique magnetic ...

A new study reanalyzing 14 years of Hubble data weakens evidence for water vapor plumes on Europa, though scientists say the ...

Intro After writing two Io articles I return to Io  again my favourite moon, looking at one single lava flow field. But read Alberts and my two other Io posts first. Jupiter’s moon Io ...

Jupiter’s Ganymede — has a unique and inexplicable magnetic field. New research could finally explain it: the moon is heating up.

The team still can't confidently rule out the existence of Europa's water vapor, especially as similar plumes have been more ...

Ganymede and Europa transit Jupiter tonight, while Io disappears in an occultation. West Coast observers can catch a double ...

On Wednesday, May 20, skywatchers looking west after dusk will be able to spot the crescent Moon glowing beside Jupiter for ...

On May 20, witness the waxing crescent moon align with bright Jupiter after sunset, creating a stunning celestial display ...

The moon dances with the king of the planets, with the horizon as their stage. When you purchase through links on our site, ...

Looking back at 14 years of Hubble telescope data for Jupiter's moon Europa has given Southwest Research Institute (SwRI) ...

Looking back at 14 years of Hubble telescope data for Jupiter’s moon Europa has given Southwest Research Institute (SwRI) ...

The Moon is now just over two days old, a sliver of its eastern limb lit by the Sun as sunrise slowly crawls across the nearside. Catch the delicate crescent this evening, when it stands just 2° from ...