"What makes the event even more extraordinary is that it did not involve a single volcano, but multiple active sources." ...

Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — ...

February’s night skies hold a certain celestial splendor that only enthusiastic and vigorous skywatchers have the fortitude and good fortune to enjoy.

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

Jupiter's moon count reaches 95+ official satellites. Explore the history of the Jovian system, from Galileo to the latest NASA discoveries.

After nearly 10 years, NASA’s Jupiter explorer Juno is likely no longer operating, with its latest mission extension ending during the ongoing U.S. government shutdown. The Juno spacecraft launched ...

New measurements from NASA’s Juno spacecraft have offered a clearer picture of what lies beneath the frozen surface of ...

Night-side flashes on Jupiter are giving planetary scientists a rare look at how this giant world behaves when it turns away from the Sun. By tracking these elusive lights, a NASA probe is turning ...

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

A historic mission to Jupiter is about to blast off. The European Space Agency’s spacecraft nicknamed Juice—for Jupiter Icy Moons Explorer—is set to begin an eight-year journey toward the planet and ...

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.