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This article originally appeared on Florida Today: On this date: Galileo discovers three major moons of Jupiter Europa was one of four moons discovered on Jan. 7, 1610, by astronomer Galileo Galilei.

How many moons does Jupiter have? Scientists have discovered dozens of them, but the answer may be more complicated than it seems.

A spacecraft that will study one of Jupiter’s moons launched Monday on a journey of more than six years to discover if the moon has the ability to support life. The solar-powered spacecraft ...

A massive NASA spacecraft is ready to set sail for Jupiter and its moon Europa. The craft named Europa Clipper will peer beneath the moon’s icy crust and determine whether conditions there could ...

One researcher thinks the asteroid, which is thought to have hit Ganymede 4 billion years ago, was 20 times larger than the one that wiped out Earth's dinosaurs.

A massive NASA spacecraft is ready to set sail for Jupiter and its moon Europa. The craft, named Europa Clipper, will determine if conditions there could support life.

The smooth, lightly scratched surface of Jupiter’s icy moon Europa, photographed by the Juno spacecraft in 2022, shows no sign of what lies beneath: in all likelihood, a vast saltwater ocean.

NASA JPL's Europa Clipper spacecraft, the largest planetary probe ever built, will launch as early as Friday to explore Jupiter's icy ocean moon.

Ice moons such as Jupiter’s Europa and Saturn’s Enceladus are currently at the forefront of the search for extraterrestrial life, as it is believed that beneath their thick icy shells there ...

The Europa Clipper is a flagship National Aeronautics and Space Administration mission to investigate the habitability of Jupiter’s moon Europa. Scientists think that Europa’s icy surface may ...

Back to Article List The Sky Today on Wednesday, May 28: Glimpse Jupiter and its Galilean moons Jupiter’s rule of the evening sky is coming to a close.