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

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

As the largest planet in our Solar System, Jupiter's grandeur is visible to the naked eye and through simple telescopes, ...

Observations made of Jupiter’s moon Io during the Juno mission’s flybys helped astronomers confirm how and why Io became the most volcanic world in the solar system.

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 ...

Transits, occultations, eclipses, and shadow transits of the jovian moons are perfect events for telescopic viewing.

Scientists with NASA's Juno mission to Jupiter have discovered that the volcanoes on Jupiter's moon Io are each likely powered by their own chamber of roiling hot magma rather than an ocean of magma.

Jupiter will be visible all night long—no telescope required. However, stargazers with a telescope or binoculars can also spot its four largest moons. One of the best meteor showers of 2024 is ...

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 ...

On December 7, the “king of planets” will line up with the Earth and sun in an event known as opposition. It will be visible ...

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

Jupiter and the moon will become visible shortly after nightfall, but the entire show won't be observable until after 10 p.m. local time, once Mars rises above the horizon.