another moon of Jupiter—may encase a salty, liquid water ocean. But evidence for Callisto's subsurface ocean has remained inconclusive, as the moon has an intense ionosphere. Scientists thought ...

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 ...

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

James Webb Space Telescope captures Neptune’s auroras, revealing new details about its atmosphere and magnetism.

"Neptune was the missing piece of the puzzle when it came to detecting auroras on the giant planets," said the European Space ...

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.

The James Webb Space Telescope has successfully detected auroras on Neptune for the first time ever, finishing a job that ...

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 ...