NASA’s missions revealed Ganymede isn’t just big—it has a magnetic field, icy oceans, and mysteries that could rewrite what ...

Amazing views of Jupiter over the years via the Hubble Space Telescope. The moons of Io, Ganymede and hazy Uranus can be ...

The ocean on Ganymede may have more water than all the water on Earth. In this artist’s concept, the moon Ganymede orbits the giant planet Jupiter. NASA’s Hubble Space Telescope observed aurorae on ...

NASA’s Juno found Callisto’s aurora, completing the Galilean moons’ footprints and revealing how each moon shapes Jupiter’s ...

In a landmark observation by a team of international researchers, NASA's Juno spacecraft has, for the first time, clearly ...

Large pieces of dark matter hitting Jupiter’s largest moon would form distinctive craters in its icy surface, and upcoming ...

Update, June 2, 2025: A previous version of this article stated that the Juno mission would perform a “death dive” into Jupiter in September 2025. This has been corrected with details of its planned ...

The European Space Agency's (ESA) JUICE spacecraft launched atop an Ariane 5 rocket from French Guiana in April 2023. The ...

Jupiter hosts the brightest and most spectacular auroras in the solar system. Near its poles, these shimmering lights offer a ...

NASA’s Curiosity rover appears as a dark speck in this contrast-enhanced view captured on Feb. 28, 2025, by the HiRISE camera aboard NASA’s Mars Reconnaissance Orbiter. Trailing Curiosity are the ...