Known for its Great Red Spot, Jupiter also boasts four bright, fast-moving moons: giant Ganymede, cratered Callisto, volcanic Io, and icy Europa. And there’s no better time to brave the cold and ...

Four tiny specks of light close by the giant planet are the biggest of the Jupiter’s 95 moons. If we weren’t dazzled by Jupiter’s own glare, these moons are bright enough to be seen by the ...

NASA is developing autonomous software to recognize faults and hazards on worlds like Europa, and prevent or fix them without ...

Researchers from the Juno mission have finally solved a mystery that has puzzled scientists for over four decades.

As many as 400 volcanoes are erupting on the surface of Jupiter's innermost moon Io, with virtually every square inch of the ...

Io's volcanic activity explained without magma ocean evidence Tidal heating powers volcanic eruptions on Jupiter's moon ...

Io does not have a shallow global magma ocean beneath its surface, counter to previous claims, suggests a paper published in ...

The Cold Moon — the 12th and final full moon of 2024 — will rise on Sunday (Dec. 15). It will ascend higher into the night ...

This weekend will include the highest and longest-visible full moon of the year, along with a modest number of some of the ...