Researchers from the Juno mission have finally solved a mystery that has puzzled scientists for over four decades.

Observations made of Jupiter’s moon Io during the Juno mission’s flybys helped astronomers confirm how and why Io became the ...

Jupiter's volcanic moon Io doesn't appear to have a subsurface ocean of magma, resolving some issues about how Io's volcanoes ...

Io does not have a shallow global magma ocean beneath its surface, counter to previous claims, suggests a paper published in ...

A groundbreaking study has unveiled new insights into the volcanic activity of Jupiter's moon Io, confirming it as the most ...

Io, discovered by Galileo Galilei in 1610, is the most volcanic body in our solar system. NASA's Juno spacecraft continues to ...

NASA's Juno spacecraft captures stunning images of Io's volcanic surface, revealing fresh lava flows and sulfur dioxide gas ...

Weather permitting, Jupiter will not only be brighter than most other stars and planets in the evening sky, but will also be ...

Jupiter will be at its brightest all year on Saturday, Dec. 7. Break out your binoculars for a chance at spotting its four ...

Four tiny specks of light close by the giant planet are the biggest of the Jupiter’s 95 moons, Nigel Henbest writes ...

If conditions are clear, anyone with a pair of binoculars or a telescope may even be able to pick out details, such as Jupiter’s four largest moons — Ganymede, Callisto, Io and Europa.