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2 – The Organic Molecule Discovery NASA’s rover missions changed everything. The Perseverance rover and Curiosity rover detected complex organic molecules in Martian rocks. Organic molecules are the building blocks of life. Now, this doesn’t mean scientists found aliens. But it does mean Mars had the chemical ingredients necessary for life to form. Even more shocking… Some rock samples show signs that resemble microbial activity on Earth. Are these just chemical reactions? O