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

“Io is simply littered with volcanoes, and we caught a few of them ... on a 200-kilometer-long (127-mile-long) lava lake ...

The detected volcanic site spans over 40,000 square miles—more than five times the size of the previous record-holder, Loki Patera. With such immense scale, the eruption likely reshaped Io’s ...

In 2015, researchers examining deep-sea sediments near the underwater volcano Loki discovered gene fragments indicating a new and previously undiscovered form of microbes. Loki's Castle vent chimney.

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