NASA's Juno spacecraft found Io’s surface is as smooth as glass, just like volcanically created obsidian glass ...

Ganymede, Jupiter's largest moon and the solar system's largest, is bigger than Mercury and the dwarf planet Pluto, with a diameter of 5,268 kilometers.

No moon in our solar system is likely as chaotic as Io, Jupiter’s third largest. The rocky body looks like a pepperoni pizza because of the constant, numerous eruptions on its surface.

also known as “The Moon”. Io is wracked by volcanic activity though, with active lava flows on the surface, with mountain ranges and plains interspersed with calderas left over from volcanic ...

The solar system is home to bizarre moons like Enceladus and Callisto, each unveiling nature’s wonders and some of science’s ...

"These energized electrons then interact with Io's atmosphere and surface, ionizing and exciting ... with Io might also vary across the moon. Juno's extended mission includes explorations of ...