“We can see that this body is completely covered with volcanoes over both poles and all across its middle, (which are) constantly going off.” The new data suggests that Io’s numerous ...

On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he ...

Io is about the same size as Earth’s Moon, and is marked by seemingly ... planetary formation and evolution.” It remains to be seen what other revealing information Juno will glean from ...

Jupiter's volcanic moon Io doesn't appear to have a subsurface ocean of magma, resolving some issues about how Io's volcanoes erupt and raising broader questions about similar magma oceans within ...

It’s similar to how our moon affects ocean tides on Earth, except Io’s tides are much larger ... “We don’t see that as necessary.” “That is going to have to trickle into theoretical ...