First close-up images of Ganymede in more than 20 years

First close-up images of Ganymede in more than 20 years

The first two images from Juno spacecraft's June 7, 2021, flyby of Jupiter’s giant moon Ganymede have been received on Earth. This was the closest any spacecraft has come to this moon in a generation. The photos – one from the Jupiter orbiter’s…

NASA’s Juno takes never-before seen photos of Ganymede’s north pole

NASA’s Juno takes never-before seen photos of Ganymede’s north pole

NASA's Juno Jupiter probe has captured the first images of the north pole of Ganymede– the largest moon in the solar system and the only moon with its own magnetic field. During a close flyby of Jupiter in December 2019, Juno mapped the north polar regions of…

Large underground ocean on Ganymede, Jupiter’s largest moon

Large underground ocean on Ganymede, Jupiter’s largest moon

Hubble Space Telescope has the best evidence yet for an underground saltwater ocean on Ganymede, Jupiter’s largest moon. The subterranean ocean is thought to have more water than all the water on Earth's surface. Identifying liquid water is crucial in the

Ganymede may harbor ice and oceans stacked up in several layers

Ganymede may harbor ice and oceans stacked up in several layers

The largest moon in our solar system, a companion to Jupiter named Ganymede, might have ice and oceans stacked up in several layers like a club sandwich, according to new study led by JPL's Steve Vance that models the moon's makeup.Previously, the moon

Jupiter at opposition to the Sun

Jupiter at opposition to the Sun

Jupiter will take center stage in the sky this month as it nears opposition to the sun. At opposition, expected on Oct. 29, Jupiter shines opposite the sun in our sky.  Jupiter will rise in the eastern sky at sunset, stay out all night long and set in the west at