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Strange spherules discovered on Mars by NASA's Perseverance rover - but what do they mean?
NASA’s Perseverance rover has stunned experts after finding some strange-looking rock composed of spherules on the surface of Mars. The team studying the Perseverance rover’s discoveries were ...
NASA's rovers just found similar gnarly rocks on opposite sides of Mars
But Curiosity wasn't the only one with a geological mystery. At the same time, roughly 2,300 miles away on the other side of ...