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Recent research suggests that the building blocks of life, such as protein precursors, may form in the cold, dark environments of space, predating the existence of planets. Experiments indicate that simple amino acids can bond into peptides on interstellar dust due to extreme cold and radiation, challenging the notion that life's chemistry is exclusive to planetary environments and implying that life-supporting materials could be abundant throughout the universe.
A graphical representation of glycine on a surface in the interstellar medium bombarded by cosmic rays to produce peptides, the building block of proteins. . The stars are adapted from NIRCam image of the Cosmic Cliffs - NASA, ESA, CSA, and STScI
Credit: Alfred Thomas Hopkinson
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