How old is the Moon? Astronaut-gathered samples from the lunar surface put its age at about 4.35 billion years. However, ...

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 ...

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

We knew data from Juno’s two very close flybys could give us some insights on how this tortured moon actually worked.” Io orbits around Jupiter, the largest planet in our solar system ...

This process is called "tidal heating." It is how Jupiter currently heats up its moon Io, the most volcanically active spot in the solar system. "We think that the Moon went through a period when ...

Only Jupiter's moon Io, by far the most volcanically active body in the solar system, offers comparable conditions. These new considerations published today in the journal Nature by an ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: (left) NASA/JPL-Caltech/SwRI/MSSS Image processing by Emma Wälimäki; (inset) NASA ...

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