Io’s long-debated magma ocean may not exist. Juno spacecraft data reveals that tidal forces deform the moon differently than ...

Using data collected by NASA's Juno spacecraft as it flew past Jupiter's highly volcanic moon Io in late 2023 and again in ...

The study, published in Science, indicates that for most of - or possibly all - its 4.57 billion years of existence, Io has been an angry world. As Jupiter's innermost large moon, it is subject to ...