Imagine a swarm of mini robots, each the size of an average smartphone, delivered by a probe breaking through the frozen shell, swimming beneath the icy crust of one of Jupiter's or Saturn's moons.

When the Europa Clipper probe arrives at Jupiter in 2030, it will perform numerous flybys of Europa, one of Jupiter's moons, using advanced scientific instruments to search for evidence that the ...

After a preliminary review of the data, they haven’t found anything that would suggest the object is actually an alien probe, but whether or not we should be happy about that is up for debate.

Some think it’s an asteroid, some think it’s a comet, and still others believe that it’s actually an alien probe making its way from star to star in search of something interesting.