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

New simulations suggest Jupiter holds far more water than once thought, reshaping ideas about how the largest planet formed.

What exists beneath the surface of Jupiter's icy moon, Callisto? This is what a recent study accepted by The Planetary Science Journal hopes to address as a team of researchers investigated the ...

As 2026 unfolds, a rare celestial guest is preparing for its final, dramatic act before vanishing into the deep dark of space. The interstellar comet known as 3I/ATLAS, having already skirted past ...