Jupiter's moon count reaches 95+ official satellites. Explore the history of the Jovian system, from Galileo to the latest NASA discoveries.

On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he looked at Jupiter through his telescope, he saw what he thought were three tiny ...

Europe's space leaders were told to "speed up" security missions and launch the IRIS2 satellite constellation by 2029 at the ...

The wolf moon is spectacular enough, but look east and you’ll see a celestial titan the size of a pinprick ...

Saturn reigns supreme when it comes to the number of moons orbiting any solar system planet. Including the 128 newly-discovered moons from 2025, Saturn has a whopping 274 moons. They range in size ...

BRUSSELS, Jan 28 (Reuters) - The European Union Agency for the Space Programme (EUSPA) has announced the signing of a new ...

There’s no mistaking Jupiter in the sky these winter evenings, rising in the southeast as evening twilight ends. In fact, you should be able to easily see it long before twilight fades. Jupiter is ...

On Jan. 7, 1610, Galileo Galilei turned his self-built telescope, which he had recently made improvements to, towards Jupiter. There he noticed three spots of light. Though he first concluded they ...

All the Latest Game Footage and Images from Satellite Odyssey: Jupiter A sci-fi survival horror game set on Europa, one of Jupiter’s moons. Grab your nail gun! Defend yourself from enemies. Survive.

The volcanic hot spot is larger than Lake Superior, spewing eruptions six times the total energy of all of the world's power plants.