Scientists want to send a fish-like ‘soft robot’ to swim the oceans of Europa

Europa, one of the many moons of Jupiter, is a very promising address in the solar system for those who say it's possible we'll find life beyond Earth right here in the Milky Way. For one thing, researchers have pretty good evidence that a giant liquid ocean exists below the moon's icy crust. A group of researchers at Cornell has come up with an idea for an animal-like underwater rover that could one day explore Europa.
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