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NASA spots a bizarre 'jellyfish' floating on Mars. Here's what we know.

Weird jellyfish? Or something weirder? (NASA/JPL Caltech) NASA rovers Curiosity and Perseverance have photographed some ...
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Science fiction vs. fact: Surviving on the red planet in The Martian

As the likely next step for humankind's space exploration, Mars has fascinated us for quite a while now. Humans have found many strange things on Mars while studying the planet, and there's even some ...