Researchers confirmed that all four DNA bases were detected in samples from asteroid Ryugu using more sensitive testing methods, joining other asteroids where such nucleic acid precursors have been found. The study suggests a correlation between the concentration of these chemical building blocks and ammonia levels in asteroids, potentially revealing how prebiotic chemistry occurs in space and informing understanding of life's origins beyond Earth.
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Researchers confirmed that all four DNA bases were detected in samples from asteroid Ryugu using more sensitive testing methods, joining other asteroids where such nucleic acid precursors have been found. The study suggests a correlation between the concentration of these chemical building blocks and ammonia levels in asteroids, potentially revealing how prebiotic chemistry occurs in space and informing understanding of life's origins beyond Earth.