The subsurface findings could transform how scientists study volcanoes across the solar system — including those on Earth.

NASA’s Juno spacecraft measured heat below Io’s surface for the first time and found temperatures rise sharply just a few feet underground. Io’s surface appears surprisingly smooth and covered in ...

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What can a sample return mission from Jupiter's volcanic moon, Io, teach scientists about planetary and satellite (moon) formation and evolution? This is what a recent study presented at the 56th ...

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The observations show that Io's surface is smooth when viewed at long microwave wavelengths.

"Tidal heating plays an important role in the heating and orbital evolution of celestial bodies," said Alex Hayes '03, M.Eng. '04, the Jennifer and Albert Sohn Professor of Astronomy in the College of ...

In 1979, NASA Jet Propulsion Laboratory (JPL) scientist Linda Morabito discovered volcanic activity on Jupiter’s innermost moon, Io. But Io isn’t just volcanically active—it is the most volcanically ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Io, the innermost giant moon of Jupiter, may not have a ...

New volcanoes, dramatic volcanic plumes, a recent impact from a possible comet and the tops of thunderhead clouds are the highlights in a scrapbook of images from the New Horizons spacecraft’s recent ...

"Tidal heating plays an important role in the heating and orbital evolution of celestial bodies," said Alex Hayes, professor of astronomy. "It provides the warmth necessary to form and sustain ...