The brutal conditions also make Io intriguing to NASA scientists intent on learning more about the innermost and ...

Loki Patera is 202 kilometres (126 mi) in diameter, covers 20,000 sq km (7,700 sq mi), and was the largest volcanic feature ...

On Dec. 27, 2024, NASA's Juno spacecraft swooped by the volcanic world Io. It witnessed a giant eruption.

More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, ...

Once the Sun is safely below the horizon, center your telescope on the gas giant - those in the eastern half of the U.S. will see the planet and its four Galilean moons spread out, with Io alone to ...

The brutal conditions also make Io intriguing to NASA scientists intent on learning more about the innermost and third-largest of Jupiter’s four Galilean moons. For nine years, a spacecraft ...