The discovery solves a 44-year-old mystery of why, and how, Jupiter's violent moon, Io, became so volcanically active. Io is only slightly larger than our moon, with a diameter of 2,237 miles ...

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

JUPITER'S satellite Io has remarkable control of Jovian decametric radio emission (recently reviewed 1,2) and also a very high and possibly varying albedo 3,4.

Or perhaps more likely, look at under a microscope. The latest candidate for hosting nearby life is Jupiter’s moon, Io. Let’s take a look at what makes Io special, and what we might hope to ...