Imagine you had to experience an apocalypse every day. Volcanic eruptions, tsunamis, asteroid showers. Every day would be a struggle for survival. That’s because Earth is now a moon of Jupiter. Why ...

Research into Jupiter’s moons shows Io and Europa did not evolve apart but formed with opposite compositions from the beginning.

When you buy through links on our articles, Future and its syndication partners may earn a commission. A dendritic "lab star" formed by liquid water flowing through Europa ice simulant at NASA JPL, ...