The hellish surface of a moon of Jupiter known as Io is riddled with hundreds of lava-spewing volcanoes that make the world ...

Io, the innermost of Jupiter's four largest moons, is slightly bigger than Earth's moon.Io is the most volcanically active body in the solar system, bursting with plumes that rise up to more than ...

Over the course of the next year and a half, the Juno spacecraft will carry out a total of nine flybys of Io. Two of the close encounters will take the probe to within 930 miles of the moon's surface.

Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about ...

Jupiter moon of Io is famed for its volcanoes. NASA just spotted the most powerful one yet Not only was the hot spot larger than Earth’s Lake Superior, but it also was seen belching out ...

The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body in our solar system. As demonstrated by explosive news from NASA on ...

Jupiter’s Moon Io Is Glowing With Volcanoes in New Image From NASA Probe The Juno spacecraft captured this view of hundreds of volcanic hotspots, which help create auroras on Jupiter.

There are new, high-quality images of Jupiter's moon, Io, thanks to the nearest flyby of the celestial body by a spacecraft in decades.. NASA released images Saturday taken by the Juno spacecraft ...

The Juno spacecraft's recent thrilling journey was one of two scheduled flybys that promised to offer a unique opportunity to witness the marvels of Jupiter's volcanically active moon, Io.

A NASA spacecraft is set to swing past one of Jupiter’s moon Io, giving astronomers a close-up view of one of the most volcanic spots in the solar system.