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 ...

Thick, swirling clouds cover Jupiter from pole to pole. They hold water like Earth’s clouds, but at far greater density.

CAPE CANAVERAL, Fla. (AP) — NASA's Juno spacecraft has provided the first close-ups of Jupiter's largest moon in two decades. Juno zoomed past icy Ganymede on Monday, passing within 645 miles. It's ...

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on ...

Research into Jupiter’s moons shows Io and Europa did not evolve apart but formed with opposite compositions from the beginning.

A NASA spacecraft is ready to set sail for Jupiter and its moon Europa, one of the best bets for finding life beyond Earth. Europa Clipper will peer beneath the moon’s icy crust where an ocean is ...

MIT scientists may have finally found the answer to the difference in polar weather of the almost similar planets.