If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's second-largest moon has more impact craters on its surface than any other planetary ...

"It was so stunning to not just see the auroras, but the detail and clarity of the signature really shocked me." ...

An artificially colored view of Jupiter as seen in ultraviolet light ... of mixing generated by a vortex higher up in the planet's ionosphere. These dark UV ovals also appear periodically at ...

a Southwest Research Institute-led team identified electrons with energies enhanced by processes in the region connecting the moon to Jupiter’s ionosphere, called an Alfvén wing. A paper ...

Neptune was the missing piece of the puzzle when it came to detecting auroras on the giant planets of our solar system.

Astronomers, using the James Webb Space Telescope, captured the first direct images of Neptune's auroras, revealing light ...

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The James Webb Space Telescope has photographed auroras on Neptune for the first time. These are only faint and occur in an ...

Auroras are natural light displays that occur when energetic particles from the Sun are trapped by a planet’s magnetic field.

Jupiter's second-largest moon has more impact ... This presented a challenge, because of Triton's intense ionosphere, which is the last layer of the atmosphere before space begins.