Tidal flexing is behind Io's near-constant volcanic eruptions, NASA reports.
As many as 400 volcanoes are erupting on the surface of Jupiter's innermost moon Io, with virtually every square inch of the ...
Researchers from the Juno mission have finally solved a mystery that has puzzled scientists for over four decades.
NASA's Juno spacecraft captures stunning images of Io's volcanic surface, revealing fresh lava flows and sulfur dioxide gas ...