NASA discovers major clue to 'alien life' on Mars
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The planet Mars is the most thoroughly surveyed celestial body aside from Earth itself. Generations of space probes and rovers like Curiosity have collected images and material samples of the red planet, and they've gifted us a wealth of valuable data.
The northern ice ap of Mars seen from space - NASA/JPL-Caltech/MSSS Humanity has dreamed about discovering life on alien planets for as long as we have dreamed about visiting other worlds. Since Mars is the closest planet to Earth we can feasibly visit ...