Perhaps, though, a future generation will be the first to discover life teeming just beneath the scorched surface of the distant Pizza Moon. Featured image: “Full Disk Views of Io” by NASA.

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.

Io is an incredibly active and extreme place, with glistening lava lakes and volcanic eruptions shooting sulfur and magma to ...