One of the big surprises: Despite the moon's cooled crust, the data shows Io maintains liquid hot lava just below the ground.

Large hailstones made of ammonia may explain why the gas is missing from large pockets of Jupiter's atmosphere.

Dazzling 'dawn storms' that illuminate Jupiter's poles are 10x more intense than the gas giant's regular auroras.

Juno’s latest discoveries have pulled back the veil on Jupiter’s harsh atmosphere and the fiery volcanic world of Io. The spacecraft detected warm lava flows beneath Io’s crust and uncovered how heat ...

In their study published in Science Advances, Chris Moeckel, Imke de Pater, and Huazhi Ge analyzed data from multiple sources focused on a major storm that occurred on Jupiter starting in 2016.

NASA's Juno revealed mushballs on Jupiter, reshaping our understanding of deep, violent gas giant storm systems.

Now, the new study's analysis of the aftermath of a massive 2017 storm observed by Juno offers compelling evidence that Jupiter's raging storms are the key to this atmospheric puzzle. The findings ...

A bizarre hailstorm of icy “mushballs” — slushy mixtures of ammonia and water — has been confirmed on Jupiter, where intense ...

Weather on Jupiter may have some surprising similarities to Earth phenomena, but some things it does defy easy explanation.