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

Jupiter helped to revolutionize the way we saw the universe — and our place in it — in 1610 when Galileo discovered Jupiter, along with its four large moons: Io, Europa, Ganymede and Callisto.

But Jupiter — or more accurately, its moons — may hold keys to some of humanity’s biggest questions, such as where and how life emerged in our solar system.

Jupiter is the largest planet in our solar system, with a mass over two and a half times larger than any other planet. A stock photo shows Jupiter surrounded by its moons.

The first ever 3D radiation map of Jupiter and its moons has been created using low-light cameras aboard the Juno Spacecraft that have been tweaked to operate as radiation detectors.

This photo provided by the European Space Agency shows an Ariane rocket carrying the Jupiter Icy Moons Explorer, Juice, spacecraft lifting off from Europe’s Spaceport in Kourou, French Guiana ...

Jupiter moons Callisto and Ganymede are among the biggest in the solar system, and potential grounds for liquid water and alien life. NASA's JUICE mission will probe them for signs of both.

What's more, a massive volcanic hot spot on the moon's southern hemisphere that Juno observed during its third-ever flyby of the moon on Dec. 27, 2024, appears to still be active, according to NASA.

Jupiter moon of Io is famed for its volcanoes. NASA just spotted the most powerful one yet Not only was the hot spot larger than Earth’s Lake Superior, but it also was seen belching out ...

Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about geologically active moons.

The full moon will come "with a celestial bonus—setting in the early morning sky near a dazzling alignment of Saturn, Venus, and Jupiter." ...