Robot Subs in Space
**NASA hopes to someday use a robot like Bill Stone's DepthX to explore Europa, a frozen moon of Jupiter and one of the most probably places in our solar system to support life.
View ArticleThere's Salt Water On The Surface Of Europa, Which Could Be Good News For...
Scientists are pretty confident Europa is home to a vast subterranean ocean, but could it have any water on its surface? According to a new study, maybe yes. That's big news for anyone hoping to send...
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