What exists beneath the surface of Jupiter's icy moon, Callisto? This is what a recent study accepted by The Planetary Science Journal hopes to address as a team of researchers investigated the ...

In a landmark observation by a team of international researchers, NASA's Juno spacecraft has, for the first time, clearly detected the auroras of Jupiter's moon Callisto. This discovery completes the ...

Jupiter reaches opposition, making it brighter and larger than at any other time this year. A rare transit of its moon Callisto adds to the event, visible with binoculars or a small telescope.

Newly released high-resolution images have revealed Jupiter’s moon Callisto in extraordinary detail. The surface features visible in these images show an ancient world shaped by billions of years of ...