To better understand Jupiter’s primordial stages, researchers turned to the tiniest of the planet’s 92 known moons. Almathea ...

Io is the closest moon to Jupiter and is one of the most inhospitable places imaginable. Earth's moon, by comparison, is the fifth-largest moon and is nearly the same size as Io. Here's a chart of ...

Understanding Jupiter's early evolution helps illuminate the broader story of how our solar system developed its distinct ...

New observations from NASA's James Webb Space Telescope have revealed that auroras on Jupiter are hundreds of times brighter ...