For 44 years, it was a mystery as to how Jupiter’s most violent moon, Io, became so volcanically active. It […] ...

NASA reveals new information. Thanks to the Juno probe mission, a mystery about Jupiter's moon Io that lasted over 40 years ...

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 most volcanic world in the solar system.

A new study counters previous theories that Jupiter's hellish moon, Io, has an ocean of lava inside powering its volcanic ...

Hundreds of volcanoes and lava lakes on Jupiter’s moon Io are likely powered in the same way as Earth’s volcanoes.

Early interactions with the Earth may have heated up the Moon and caused it to remelt, producing new lunar rocks and erasing ...

NASA’s Juno mission uncovers the true source of Io’s volcanic activity, revealing localized magma chambers instead of a ...

An illustration of NASA's Juno craft soaring above Jupiter's atmosphere. Jupiter's satellite Io is one of its largest moons.

Io, roughly the size of Earth's Moon, is home to approximately 400 volcanoes that continuously erupt, contributing to its ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The Juno mission ...