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 ...

The volcanic hot spot is larger than Lake Superior, spewing eruptions six times the total energy of all of the world's power plants.

NASA has unveiled a breathtaking image of Io, one of Jupiter’s most volatile moons, captured by the Juno spacecraft during a close flyby on December 30, 2023. The detailed imagery provides an ...

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 ...

Jupiter and Saturn host strikingly different polar storms, despite being similar giant planets, and scientists have long wondered why. New simulations suggest the answer may lie deep below the clouds.

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

There’s no mistaking Jupiter in the sky these Pottsville winter evenings, rising in the southeast as evening twilight ends.